(7^-3)^7 x 7^20

/
6^-2

1 answer

First, let's simplify the numerator:

(7^-3)^7 x 7^20 = 7^(-21) x 7^20 = 7^(-21 + 20) = 7^-1

Now, let's simplify the denominator:

6^-2 = 1 / 6^2 = 1 / 36

Therefore, the expression simplifies to:

7^-1 / 1/36

To divide by a fraction, we multiply by the reciprocal:

7^-1 x 36/1

7^-1 = 1 / 7^1 = 1/7

So the expression simplifies to:

(1/7) x (36/1) = 36/7