Question

Which of the following would you round and estimate to a sum of 11?

A. 3.41 + 8.051
B. 3.65 + 7.992
C. 4.25 + 8.103
D. 4.89 + 7.431

Answer 1

A

Explanation:

Round and estimate the sum.

3.41 + 8.051

3 + 8 = 11

3.65 + 7.992

4 + 8 = 12

4.25 + 8.103

4 + 8 = 12

4.89 + 7.431

5 + 7 = 12

The first option is correct.

Answer 2

Option A)

Explanation:

A) 3.41+8.051

=> 11.4 ≈ 11

B) 3.65+7.992

=> 11.6 ≈ 12

C) 4.25+8.103

=> 12.4 ≈ 12

D) 4.89+7.431

=> 12.3 ≈ 12