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06 Oct 2013, 23:00
Kudos
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My doubt is as follows:
Am I correct in saying that rounding off can be applied only once and not redundantly.
I mean if I have to round off 3.4346 to two decimals then it would be 3.435 and then 3.44. (I am applying round off successively) Is this correct?
So, if I have to cut 3.4346 to hundredths, will it be 3.44 or will it be 3.43 ?
Problem:
A digit 8.abc when rounded to tenths is 8.2, what is the value of the digit 8.abc if a=1?
Here, a is given as 1. Hence the digit will be 8.1bc
In this case, can the digit "b" be 4 or it has to be only among 5,6,7,8 and 9?
My doubt is can the digit be 8.146, wherein 8.146 is rounded first to 8.15 and then 8.15 is rounded to 8.2 ?
Am I correct in saying that rounding off can be applied only once and not redundantly.
I mean if I have to round off 3.4346 to two decimals then it would be 3.435 and then 3.44. (I am applying round off successively) Is this correct?
So, if I have to cut 3.4346 to hundredths, will it be 3.44 or will it be 3.43 ?
Problem:
A digit 8.abc when rounded to tenths is 8.2, what is the value of the digit 8.abc if a=1?
Here, a is given as 1. Hence the digit will be 8.1bc
In this case, can the digit "b" be 4 or it has to be only among 5,6,7,8 and 9?
My doubt is can the digit be 8.146, wherein 8.146 is rounded first to 8.15 and then 8.15 is rounded to 8.2 ?
Archived Topic
Hi there,
This topic has been closed and archived due to inactivity or violation of community quality standards. No more replies are possible here.
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06 Oct 2013, 23:06
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gmatter0913
When rounding we should only take into the account the first dropped digit. Thus 8.146 rounded to the nearest tenth is 8.1, since the dropped 4 is less than 5.
Rounding rules
Rounding is simplifying a number to a certain place value. To round the decimal drop the extra decimal places, and if the first dropped digit is 5 or greater, round up the last digit that you keep. If the first dropped digit is 4 or smaller, round down (keep the same) the last digit that you keep.
Example:
5.3485 rounded to the nearest tenth = 5.3, since the dropped 4 is less than 5.
5.3485 rounded to the nearest hundredth = 5.35, since the dropped 8 is greater than 5.
5.3485 rounded to the nearest thousandth = 5.349, since the dropped 5 is equal to 5.
Hope it helps.
Archived Topic
Hi there,
This topic has been closed and archived due to inactivity or violation of community quality standards. No more replies are possible here.
Where to now? Join ongoing discussions on thousands of quality questions in our Quantitative Questions Forum
Still interested in this question? Check out the "Best Topics" block above for a better discussion on this exact question, as well as several more related questions.
Thank you for understanding, and happy exploring!
