Find out the larger product of each pair below, without actual multiplication.
10.6 × 9.4, 10.4 × 9.6

Question

Find out the larger product of each pair below, without actual multiplication.10.6 × 9.4, 10.4 × 9.6

Philoid · Accepted Answer

Using identity-

10.6 × 9.4 = (10+0.6)(10-0.6)= -

10.4 × 9.6 = (10+0.4)(10-0.4)= -

clearly 10.4 × 9.6 is the larger product

since in this we are subtracting from whereas in 10.6×9.4 we are subtracting from