anonymous
  • anonymous
the number 1234/9999 can be written in decimal form. What is the 29th decimal place? (please explain)
Mathematics
  • Stacey Warren - Expert brainly.com
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SOLVED
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schrodinger
  • schrodinger
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anonymous
  • anonymous
are you allowed to use a calculator?
anonymous
  • anonymous
yup
anonymous
  • anonymous
okay show me what you get when dividing 1234 by 9999?

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anonymous
  • anonymous
0.123412341
anonymous
  • anonymous
what comment would you give about this number? can you notice anything?
anonymous
  • anonymous
yup the 1234 is being repeated
anonymous
  • anonymous
exactly. so it's repeating itself after each four digits.
anonymous
  • anonymous
now you can just write all the number till you reach the 29th decimal place, which would not be difficult in this case.
anonymous
  • anonymous
but there is another way, that's similar to what we did with the hours question.
anonymous
  • anonymous
so what way do you prefer to use?
anonymous
  • anonymous
both are easy and straight forward.
anonymous
  • anonymous
do we times the 1234 by 29?
anonymous
  • anonymous
no no
anonymous
  • anonymous
4 times 29? :S
anonymous
  • anonymous
since its repeating itself after each 4 digits, and you're looking for the 29th decimal place. divide 29 by 4 ( tell me the integer quotient and the reminder)
anonymous
  • anonymous
I mean when you divide 29 between 4 people, how much will each one get and what's the left over?
anonymous
  • anonymous
each gets 7 and left over would be 25 :s ?
anonymous
  • anonymous
are you sure about your left over? all you have is 29 :)
anonymous
  • anonymous
i put 29 devided by 3 and i got 7.25 :S
anonymous
  • anonymous
okay you mean by 4, it would be easier if you didn't use a calculator. but this is fine. your reminder is 0.25*4=?
anonymous
  • anonymous
1
anonymous
  • anonymous
no no no srry
anonymous
  • anonymous
why? it's right.
anonymous
  • anonymous
oh .. ok :D
anonymous
  • anonymous
now we have 29/4= 7 and reminder 1.. that says that the 4 decimal digits will be repeated "7 times" and it will be back to the "1st digit" in the 29th digit. so what is the 29th decimal digit?
anonymous
  • anonymous
1 ?
anonymous
  • anonymous
yeah that's right. what if it's asking about the 30th decimal digit?
anonymous
  • anonymous
2 ?
anonymous
  • anonymous
exactly.. what if it's asking about the 61st decimal digit? take your time!
anonymous
  • anonymous
4?
anonymous
  • anonymous
why 4?
anonymous
  • anonymous
cz i counted till i got to 61 and i landed on 4 :S is it wrong?
anonymous
  • anonymous
the point is at the reminder of 61/4?
anonymous
  • anonymous
if you can't directly figure out the reminder, you just multiply the decimal part by 4 to get the reminder.
anonymous
  • anonymous
61/4=15.25, then the reminder is?
anonymous
  • anonymous
1?
anonymous
  • anonymous
yeah, and so the 61st decimal digit is?
anonymous
  • anonymous
1 ?
anonymous
  • anonymous
that's right. :) I suck at teaching, don't I? :(
anonymous
  • anonymous
lool are u kidding?!?! ur better than my teacher ! xD! i actually thought u were a teacher for a minute :S are u in university ?
anonymous
  • anonymous
lol I don't think you're serious.. yeah in university.
anonymous
  • anonymous
no for real ! u would be a great math teacher :D what are u studying ?
anonymous
  • anonymous
math :)
anonymous
  • anonymous
lol there u go then :) that explains everything then xD!
anonymous
  • anonymous
well actually I just transferred to mathematics this semester, I was studying electrical engineering.
anonymous
  • anonymous
nice ... most Arabs study engineering anyway :P
anonymous
  • anonymous
they do?
anonymous
  • anonymous
yea :S ! holy man u should come see our universities here -.-! u ask an arab wat r u studying they be like ENGINEERING! and im like yea i guessed :P
anonymous
  • anonymous
OH I didn't know that at all.
anonymous
  • anonymous
lol oh well its for a good cause any way cz most canadians dont like engineering so we tend to balance them out :P
anonymous
  • anonymous
haha.. you see you're good at math!
anonymous
  • anonymous
i am? how? :S
anonymous
  • anonymous
you understand the balance principle :P
anonymous
  • anonymous
lool well i was just assuming :P
anonymous
  • anonymous
have you ever been to Palestine?
anonymous
  • anonymous
nope i was born in syria
anonymous
  • anonymous
I see.. I hope one day we all can go there!
anonymous
  • anonymous
im going though next year inshallah :)
anonymous
  • anonymous
you can, but I can't :(.. you have a Canadian citizenship right?
anonymous
  • anonymous
yup
anonymous
  • anonymous
but y do u want to go so bad though? lol r u from palestine too ?
anonymous
  • anonymous
no.. I am Saudi :)
anonymous
  • anonymous
thats a pleasure :)
anonymous
  • anonymous
i have a question :D
anonymous
  • anonymous
the pleasure is all mine.. sure ask away.
anonymous
  • anonymous
so i have here a square thats perimeter is 20 cm and its inside a bigger square thats perimeter is 28 cm how do i find the area of the space between them :S
anonymous
  • anonymous
here let me draw it :S
anonymous
  • anonymous
haha.. the area between them is equal to the area of the big square minus the area of the smal one.
anonymous
  • anonymous
can you find the area of each square?
anonymous
  • anonymous
i have to find the area of the shaded part here i sent it
1 Attachment
anonymous
  • anonymous
excuse my silly drawing :$
anonymous
  • anonymous
lol
anonymous
  • anonymous
are they both squares?
anonymous
  • anonymous
yes :S
anonymous
  • anonymous
okay.. what does the area of a square equal to?
anonymous
  • anonymous
u mean L x W ?
anonymous
  • anonymous
it's a square right?
anonymous
  • anonymous
so the length is equal to the width, tight?
anonymous
  • anonymous
yea so its base x height
anonymous
  • anonymous
no, it's x times x
anonymous
  • anonymous
you multiply one side by itself, that's the area of a square.
anonymous
  • anonymous
yea thats wat i meant :P
anonymous
  • anonymous
okay good :).. now you need to find the length of one side (that's the same as all other sides).
anonymous
  • anonymous
so thats 28/4 = 7 for the big square and 20/4=5 for the small square
anonymous
  • anonymous
exactly..
anonymous
  • anonymous
so the area of the big square would be?
anonymous
  • anonymous
and that means that the area of the small square is 25 cm2 and the big square = 28cm2 ?
anonymous
  • anonymous
no no no
anonymous
  • anonymous
ahan?
anonymous
  • anonymous
big square = 49 am2
anonymous
  • anonymous
amazing!!
anonymous
  • anonymous
cm!!
anonymous
  • anonymous
LOL!
anonymous
  • anonymous
then the area between them is?
anonymous
  • anonymous
24
anonymous
  • anonymous
are you sure you're not cheating? :P
anonymous
  • anonymous
woooow u think im that bad at math D:
anonymous
  • anonymous
HAHA.. NO I was just kidding
anonymous
  • anonymous
lol! u better be :)
anonymous
  • anonymous
yes I am << totally scared :P
anonymous
  • anonymous
MAUAHAHAH! >:)!
anonymous
  • anonymous
seriously, that was pretty good!
anonymous
  • anonymous
thank you :D !
anonymous
  • anonymous
it's 1:12 am in Canada, don't you have classes tomorrow?
anonymous
  • anonymous
yes but i take long naps and drink alot of coffee to stay awake longer :P
anonymous
  • anonymous
lol!! why is that? sleep is a gift.. whenever you feel sleepy, just lie down and get some sleep.
anonymous
  • anonymous
but i dont feel sleepy at night i only get sleepy in the afternoons :S
anonymous
  • anonymous
i woke up at 8 pm
anonymous
  • anonymous
wow.. your schedule is messed up.:P
anonymous
  • anonymous
nah im used to it :P if i dont get my nap i pass out at 10 PM
anonymous
  • anonymous
I was just talking to a friend from Toronto, he just left a couple of minutes ago from MSN.
anonymous
  • anonymous
yea my whole family is asleep except for me and my bro and mi mama :P
anonymous
  • anonymous
lol you all are awake then :P
anonymous
  • anonymous
not all my mom just left and mi bro wont be goin to sleep till 2 or 3 but mi dad and sis's are all sleeping :P
anonymous
  • anonymous
I see!! should I think that you're the kind of student who sleeps in class? << I know I am asking too much :P
anonymous
  • anonymous
LOL i cant sleep in class my friends would be takin pictures as soon as they see me sleeping -.-! no way thats gona happen xD!
anonymous
  • anonymous
you don't sleep in class not because you want to focus on what your teacher says, but rather because you worry about your friends may take pictures of you.. not bad I guess. the result still the same :P
anonymous
  • anonymous
sometimes sleeping in class feels so good, you should try it sometimes (away from your friends) if that's possible.
anonymous
  • anonymous
lol im too smart for those teachers ^_^ ... just not the math once .. v.v
anonymous
  • anonymous
yea maybe i should :P
anonymous
  • anonymous
mashallah.. I thought so!
anonymous
  • anonymous
hehe
anonymous
  • anonymous
arghhh ! i drank too much coffee :'( cant sleep cant even think straight! -.-
anonymous
  • anonymous
I didn't get enough sleep either.. only 3 hours!
anonymous
  • anonymous
:O! for the whole day?!
anonymous
  • anonymous
it's 8:37 AM.. I will get 2 more hours from 1 PM to 3 PM.. and that's it for today I guess.
anonymous
  • anonymous
woow! how are u gona make it for the rest of the day?
anonymous
  • anonymous
I will survive..
anonymous
  • anonymous
good luck "surviving" :)
anonymous
  • anonymous
thank you!! good luck to you as well, we are in the same boat. :)
anonymous
  • anonymous
haha what a coincidence!
anonymous
  • anonymous
Well most people have sleeping issues I guess.
anonymous
  • anonymous
mhm! anyways im gonna try my best ill read a few chapters till i get sleepy it was nice talkin to u thx for all the help :)
anonymous
  • anonymous
you're welcome!! nice talking to you as well.. good luck "getting sleepy" :)
anonymous
  • anonymous
haha thx :P yalla good night
anonymous
  • anonymous
salam

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