Question

Evaluate3 ^ - 7 / 3 ^ - 10 into 3 ^ - 5​

Answer 1

Answer:

1/9

Step-by-step explanation:

((3^-7)/(3^-10))x 3^-5

= (3^10/3^7)x 1/(3^5)

= (3^(10-7))x 1/(3^5)

= 3^3/3^5

= 1/(3^(5-3))

= 1/(3^2)

=1/9