Question

Use compatible numbers to find two estimate 478÷12=

Answer 1

Do 470 divided by 10. That should take you close to the true answer. They are also very compatible since they are easy to divide.

Answer 2

`478/ 12\approx 48`

Explanation:

Given : Expression
`478/ 12`

To find : Use compatible numbers to find two estimate of expression ?

Solution :

Compatible numbers are pairs of numbers that are easy to add, subtract, multiply, or divide mentally.

478 estimating to nearest whole number is 480.

12 estimating to nearest whole number is 10.

So,
`478/ 12=480/ 10`

`(480)/(10)=48`

Therefore, When we estimate two number we get the result 48.