Question

Simplify and express the result with positive exponents.

Answer 1

Answer:

I hope it would help you

Answer 2

Answer:7/3

Step-by-step explanation:-3/7^w=3/7^2

And(7/3)^-3=(3/7)^3

So,the required answer is(3/7)^2÷(3/7)^3=(3.7)-¹=7/3