Please how do I round 56.479 cents to the nearest cents?

Please how do I round 56.479 cents to the nearest cent?

3 Answers
Nov 16, 2017

56

Explanation:

Rounding generally follows the 5/4 rule - round up for a 5 and down for a 4. Per Meave60's comment, ONLY the digit to the right of the rounding space is considered.

My previous answer "rolling up" the digits was incorrect - sorry!

Here are a couple of good explanations:
http://www.math.com/school/subject1/lessons/S1U1L3DP.html

Nov 16, 2017

56 cents

Explanation:

We have 56 cents + 0.479 cents

so the 'cut off' point is the red part

56.479

We look at the first digit only that is immediately to the right of the cut off point. In this case it is the four 4

This is the rule:
If this digit is less than 5 we do not change the red part.
If the digit is 5 or more we increase the red part by 1.
~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
Example

Making up a value I choose 2.301
As the 3 is less than 5 we do not change the red part. So rounded to the nearest whole number we have: 2.0 to 0 decimal places

Making up a another value I choose 2.601
As the 6 is more than or equal to 5 we increase the red part by 1. So rounded to the nearest whole number we have: 3.0 to 0 decimal places
~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
Back to the question

The 4 from 56.479
is less than 5 so we do not change the red part.

Answer 56

Nov 16, 2017

My original answer was wrong! Please read. Comments below for a correct answer.

Explanation:

The nearest cent would be a whole number - so you end up with no numbers after a decimal point.

The basic rule is any number BELOW 5 gets rounded down. So; 5.4 rounded to the nearest whole number would be 5. And number BIGGER than 5 gets rounded up. So; 5.5 rounded to the nearest whole number would be 6.