Question

simplify ( 3^-7 / 3^-9)* 3^-4

Answer 1

Answer:

hope it's helpful to you and

Answer 2

Answer:

Let a=(3

−7

+3

−10

)×3

−5

=3

−12

+3

−15

=3

−12−15

=3

−27

a=

3

27

1

∴(3

−7

+3

−10

)×3

−5

=

3

27

1