Indicate whether the following statements are True (T) or False (F).
1. Sqrt of 49 is a rational number
2. Pi is a real number
3. 0 is a natural number
4. -17 is an integer
5. 3/2 is an integer
6. Sqrt of 3 is a rational number
7. 2 is a real number
If you can help that would be great!

- anonymous

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- anonymous

first off do you know what real and natural numbers are?

- anonymous

no what is the difference

- anonymous

Natural is the way little kids naturally count
1,2,3,4,5,6 ...

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## More answers

- myininaya

(1) is true sqrt(49)=7 is a ration number
(2) pi is a real number. if it were pi*sqrt(-1) then is would be not real
(3) natural numbers are counting numbers when you count you start with 1 not 0 so 0 is not a natural number
(4) -17 is an integer just like 0 and 4 are
(5) 3/2 is a rational since it is an integer/integer so 3/2 is not an integer
(6) sqrt(3) is irrational because it goes on forever
(7) 2 is a real number

- anonymous

0 is a natural number

- anonymous

natural numbers denote non negative integers

- myininaya

no it is a whole number

- myininaya

not a natural number

- anonymous

The term "natural number" refers either to a member of the set of positive integers 1, 2, 3, ... (Sloane's A000027) or to the set of nonnegative integers 0, 1, 2, 3, ... (Sloane's A001477; e.g., Bourbaki 1968, Halmos 1974). Regrettably, there seems to be no general agreement about whether to include 0 in the set of natural numbers. In fact, Ribenboim (1996) states "Let be a set of natural numbers; whenever convenient, it may be assumed that ."

- myininaya

I learned that the natural numbers was also the counting set you do not start counting with 0 you start counting with 1 so 0 is not a natural

- myininaya

nerd warS!

- anonymous

Ok thanks guys, that makes sense!

- anonymous

i think for all practical purposes it doesn matter at all, any applications in advanced mathematics this becomes obselete anyway

- myininaya

not linear algebra

- anonymous

Cmon, lets be rational :D

- myininaya

sets are talked about in advanced math like linear algebra and discrete math

- myininaya

no lets be irrational

- anonymous

i took both courses and you dont care about it lol

- myininaya

we did care about it lol

- anonymous

yes for engineering its dramatically important to know if 0 is a natural number

- myininaya

lol

- myininaya

i think you are in the imaginary set

- anonymous

i doubt you took a course on this beyond high school

- myininaya

come on talk to me in a mathy way or nerdy way thats not a fun insult

- myininaya

you could had least said your mom goes to college

- anonymous

Cmon this is getting divergent. We need to integrate more. There should be a limit so stop it

- myininaya

lol

- myininaya

i like xavier

- anonymous

i think you guys just look up math facts on wikipedia.......without actual background

- myininaya

your line is tangent to the curve of bullpellet

- anonymous

Sigh...

- myininaya

please don't get offended. I was just thinking of something cool to say

- anonymous

no im not offended i just think that if you wanna go out in the real world correcting people like you do on this site ppl with the background, like me, will laugh at you because there is so much more to math then these "mathy" "nerdy" lines you are whipping out lool

- myininaya

listen i do have a mathematical background and not one of my instructors ever said 0 was in the set of the naturals

- anonymous

ok does anyone care if it is or not?

- myininaya

and you are the one who was trying to correct me

- anonymous

no i just give you an outside opinion

- myininaya

an i was giving my opinion

- anonymous

my point was that it practically doesnt matter at all, and you went on to say not if you take linear algebra

- myininaya

avalanche is was jk with you about the nerd wars I thought u were too

- anonymous

ok lol lets just calm down cuz i think this really doesn matter anyway lol

- myininaya

no i was saying they discuss sets in linear algebra

- anonymous

yes they discuss sets, for about 2 minutes

- myininaya

ok i wasn't saying your math was crap

- anonymous

ok ok ok lets calm downn lol

- myininaya

i was just looking for a friendly war :( and you hate me thats not fair

- anonymous

omg haha i dont hate you at all

- anonymous

how could you hate over text chat

- anonymous

some kind of math terrorist

- myininaya

u hate my text chat

- anonymous

? lmao

- anonymous

conclusion to anyone who reads this noone gives a sh*t if 0 is included in the natural numbers or not, if you are anything except mathematician you will most likely be able to live without arguing about it. and we are all friends

- myininaya

lol i have a masters in math and I'm fixing to get into a phd program for applied scinece

- myininaya

science*

- anonymous

..no wonder you care, see im in engineering and im more concerned with more practical things vs theory

- myininaya

lol

- anonymous

well my instructors drill it into my brain

- anonymous

not to say what ur doing isnt good

- anonymous

i could never do a masters in math thats awesome

- myininaya

it was stressful as i'm sure any degree would be

- myininaya

engineering is cool too

- anonymous

i had to take 3 calculus, stats, differential equations, linear algebra

- myininaya

i wish i didn't something with "appliedness"

- myininaya

did*

- anonymous

well depends on what you like

- myininaya

i'm going to get into a little cryptography. i cant wait

- anonymous

some stuff in engineering is far from being apploed

- anonymous

that almost sounds like computer science course of some sort

- myininaya

yes. it is applied number theory and maybe some other small topics in math and topics in computer science of course

- anonymous

i was in cs my first semester of university and decided that i couldn take 15 hour assignments in front of the computer anymore

- anonymous

but yes some topics are really interesting and might take some electives

- myininaya

i just want to look at the theory and develop my own cryptosystem

- anonymous

yea see i admire people who can learn that cuz some topics in math i look at them and unless i can think of something practically related to it i get bored, like some techniques to solve differentail equations were a bit abstract as well as 1 or 2 things in calculus

- myininaya

it was nice talking to you. I will be your fan. I have to go to sleep

- anonymous

Gnight

- myininaya

oh i was already a fan nvm

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