Question

Use rounding or compatible numbers to estimate each product or quotient.

5 x 2 3/5

a. about 10
b. about 10 3/5
c. about 15
d. about 20

im guessing b

Answer 1

Answer: c.

Explanation:

I used rounding: 3 is closer to 2 3/5 than 2 and 5 * 3 is 15, so the answer is about 15.

Answer 2

The answer is 13 so it would be closer to 15