Question

The numbers 19 and 28 are rounded to the nearest ten and then multiplied to estimate the product. What is the best estimate of 19 × 28 based on this method?

200
300
600
900

Answer 1

20*30

= 600

About 600

C

Answer 2

600

Explanation:

you round up 19 to 20 then you round up 28 to 30 and multiply 20 and 30