Question

Estimate each of the following products by rounding off each number to nearest tens. (a) 87 × 32 (b) 311×113 (c) 3231×28

Answer 1

Answer:

(a) 87 rounded off to the nearest tens = 90 32 rounded off to the nearest tens = 30 Estimated product = 90 × 30 = 2700 (b) 311 rounded off to the ...