anonymous
  • anonymous
What is 215 to the nearest hundredth?
Mathematics
jamiebookeater
  • jamiebookeater
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anonymous
  • anonymous
200 is the answer
anonymous
  • anonymous
xlog12=log215 divide both sides by log12 x=log215/log12 so the answer is: x=2.161303737 or rounded to the nearest tenth, it would be: x=2.2
anonymous
  • anonymous
That would be to the nearest hundred @Bhim

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anonymous
  • anonymous
so its 2.2?
anonymous
  • anonymous
Heh, @AlexPR787 I don't get it, I think the question is simpler, 215 to the nearest hundredth is 215.00, there are no fractional values for this. @coolaidd Can you clarify the question?
anonymous
  • anonymous
sorry let me explain
anonymous
  • anonymous
its 200
anonymous
  • anonymous
I think there is a misunderstanding: hundredth is http://en.wikipedia.org/wiki/Hundredth
anonymous
  • anonymous
thats the question..
anonymous
  • anonymous
it is 200
anonymous
  • anonymous
Rounding 215 to the nearest hundred would yield 200, but rounding it to the nearest hundredth would mean 215.00, because there are is no fractional part to the value
anonymous
  • anonymous
so the answer would be?215.00
anonymous
  • anonymous
Well, I'm wondering if the question may actually mean, what is 215 / 100, to the nearest hundrdeth
anonymous
  • anonymous
*hundredth
anonymous
  • anonymous
is that the only thing the question says?
anonymous
  • anonymous
(1.) If the question is merely, what is 215 to the nearest hundredth, then the answer is 215.00 (2.) If the question is actually seeking, what is 215 divided into 100 parts, 215/100, then what is the value of each part rounded to the nearest hundredth, then you have 215/100 = 2.15, so to the nearest hundredth is 2.15
anonymous
  • anonymous
just put 2.2
anonymous
  • anonymous
No, that would be to the nearest tenth
anonymous
  • anonymous
log_5 (2x-5) =-4 2x - 5 = 5^(-4) = 1/625 2x = 5 1/625 = 3126/625 x = 1563/615
anonymous
  • anonymous
is this correct?
anonymous
  • anonymous
well, for that, yeah, looks right
anonymous
  • anonymous
yeah
anonymous
  • anonymous
do i finish 1563/615?
anonymous
  • anonymous
If you need to, like if the question requires you to find the answer to the nearest anything
anonymous
  • anonymous
i got 2.54146341.. what would that be rounded to the hundredth?
anonymous
  • anonymous
OK, so you want to round to the nearest hundredth, this means you need to consider the value of the thousandth, which is the number in the 3rd decimal place. This requires remember the rules for rounding. If the value in the 3rd decimal place is less than or equal to 5, then you round down, and do nothing to the hundredth value. If the 3rd value is greater than 5, then you round up, meaning you add a one. so if \[2.541\] then round down because of the 1, it's called rounding down because \[2.54 < 2.541\] so if \[2.546\] then round up because of the 1, so \[2.546 becomes 2.54 + .01\] it's called rounding up because \[2.55 > 2.541\]
anonymous
  • anonymous
so its 2.541?
anonymous
  • anonymous
to the right of the decimal point you have [tenths, hundredths, thousandths, ten thousandths...] You want to find your answer to the nearest hundredth, so, yes, look at 2.541 The value in the thousandth place is 1, do you round up or down?
anonymous
  • anonymous
down?
anonymous
  • anonymous
?
anonymous
  • anonymous
Yep, and why ?
anonymous
  • anonymous
because its below 5?
anonymous
  • anonymous
right
anonymous
  • anonymous
so 2.541 is right or do i have to do more to it
anonymous
  • anonymous
Hehe, you have to make to the nearest hundredth, you still have a 1/1000 in there ;)
anonymous
  • anonymous
so how would it look?
anonymous
  • anonymous
?
anonymous
  • anonymous
OK, you want the value with only the hundredth value as the smallest, you want to disregard the other values to the right of the decimal. So, like all the other examples, you would only keep the 2 values to the right of the decimal, so if you have 1.241, you would have 1.24 as the answer if you wanted it to the nearest hundredth....so 2.541 to the nearest hundredth is?
anonymous
  • anonymous
2.54?
anonymous
  • anonymous
Yes, exactly
anonymous
  • anonymous
thank you!
anonymous
  • anonymous
Sure, I'm going to sign off. I think you can solve most of your questions!

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