Question

estimation
Estimate the following by rounding off to the nearest tens.
a) 636 ÷ 36
b) 532 ÷ 14
no need to do the division or multiplication calculation

Answer 1

Answer:

a) 636/36

= 17.6

= 18

= 20(rounding off)(ans.)

b) 532/14

= 38

= 40(rounding off)(ans.)