Question

Which of the following is the most reasonable product of 5 10.11 and 3 16/17? A. 15 B. 18 C. 20 D. 24

Answer 1

D, 24

Explanation:

5 10/11 is about 6 and 3 6/17 is about 4.

6 x 4 = 24.

Answer 2

D. 24

Explanation:

5 10/11 ≈ 6

3 16/17 ≈ 4

A reasonable estimate of the product is 6×4 = 24.