Iam giving 10 points to whomever answers ! simplify: 9^-5 × 9^-3 a) 1/9^8 b) 1/9^2 c) 9^8 d) 9^15

A) (1/9)^8

Step-by-step explanation:

9^-5 × 9^-3 =

Rule: a^m * a^n = a^(m + n)

= 9^-8

Rule: (a^m)^n = a^(mn)

= (9^-1)^8

Rule: a^-m = 1/a^m

= (1/9)^8

A) (1/9)^8

a. she will receive a refund of $278.

step-by-step explanation:

b

step-by-step explanation:

it have 5 sides and 5 identicle angle.the rest does not have the same property as b.

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