Find the missing factor. Write your answer in
exponential form.
9^-6= (?) • 9^-2

9^-4

Step-by-step explanation:

9^-6=?*9^-2

Let the unknown=x

9^-6=x*9^-2

9^-6=9^-2(x)

x=1/9^6÷1/9^2

=1/9^6×9^2/1

=9^2/9^6

x=1/9^4

x=9^-4

Check

9^-4*9^-2

=9^-4-2

=9^-6

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a

step-by-step explanation: