Question

99^3 using cubes of sum and difference

Answer 1

970299

Explanation:

Answer 2

970,299

Explanation:

99^3 = (100 -1)^3 = 100^3 -3·100^2·1 +3·100·1^2 -1^3

= 1,000,000 -30,000 +300 -1

= 970,000 +299

= 970,299