Which expression is equivalent to (3^2)^-2

1

Step-by-step explanation:

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(3^2)^(-2) = 3^(2 * - 2) = 3^(-4)  =          1

                                                            3^4

Could also do this:

                      1                 1

(3^2)^(-2) = =

                   (3^2)^2        3^

im trinna find out'

step-by-step explanation:

36 girls

step-by-step explanation:

the 48 boys is 4 parts of the ratio

divide 48 by 4 to obtain one part of the ratio

= 12 ← 1 part of the ratio

3 parts = 3 × 12 = 36 ← number of girls