Question

Change 2 5/9 to a decimal using a calculator. Express the answer in:a. 3 decimal placesb. 2 decimal placesc. 1 decimal place

Answer 1

So,

Let's first change 2 5/9 to a decimal:

We're going to round this number to 3,2, and 1 decimal place.

First, remember the following:

There are certain rules to follow when rounding a decimal number. Put simply, if the last digit is less than 5, round the previous digit down. However, if it's 5 or more than you should round the previous digit up. So, if the number you are about to round is followed by 5, 6, 7, 8, 9 round the number up.

Let's round to 3 decimal places:

Let's round to 2 decimal places:

And finally, 1 decimal place: