Question

Simplify using the Distributive Property. 9 × 81

Answer 1

the distributive property:

9(80+1)

to check the answer:

9 x 81 is 729

80 x 9 is 720

9 x 1 is 9

720+9=729

so the answer is right

the distributive property:

9(80+1)

Answer 2

The distributive property: a(b + c) = ab + ac

9 × 81 = 9 × (80 + 1) = (9)(80) + (9)(1) = 720 + 9 = 729

Answer: 9 × 81 = 729