Question

simplify and express the result in power notation with positive exponents
(3^-7÷3^-10)x3^-5​

Answer 1

Answer:

1/3^2

Step-by-step explanation:

(3^-7/3^-10)×3^-5

3^(-7-(-10))×3^-5

3^(-7+10)×3^-5

3^3×3^-5

3^(3+(-5)

3^(3-5)

3^-2

1/3^2