Question

Mike estimated the difference of 79.44 and 6.7 by rounding each number to the nearest whole. What was Mike's estimate, and what is the actual difference of the numbers? Enter your answers in the boxes. Mike estimated the difference to be . The actual difference is .

Answer 1

Mike estimated the difference to be 72.

The actual difference is 72.74.

Explanation:

I took the test

Answer 2

Mike estimated the difference to be 72.

The actual difference is 72.74.

Explanation:

Mike estimated 79 as 79.44 and 7 as 6.7, therefore Mike estimated the difference, this way:

79 - 7 = 72

Actual difference of the numbers is:

79.44 - 6.7 = 72.74

Mike estimated the difference to be 72.

The actual difference is 72.74.