Question

Estimate the difference.
16.2 - 7.8
A. 4
B. 5
C. 8
D.11

Answer 1

C: 8

Explanation:

To solve for this problem, we are subtracting 16.2-7.8. Even though these numbers have decimals attached to them, here is a simple rule to remember:

If the decimal is below 0.5 round Down

If the decimal is above 0.5, round Up

The work for this problem would be as follows:

`16.2-7.8 = 8.4\\round\\16-8=8`

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Answer 2

C. 8

Explanation: