Question

A caterpillar is 2.83 centimeters long how long is it to the nearest whole number

Answer 1

To round 2.83 centimeters to the nearest whole number, use the following:
"five or above, give it a shove. four or below, keep it low."
So, since the number is 2.83, keep the 3 low (make it a zero)
Now the number is 2.8
Since 8 is over 5, you round up.
2.83 has become the whole number 3

Answer 2

Your answer will be 3.00 centimeters long.