Question

Martha made a mistake. In which step did Martha first make a mistake, and what is the correct expression for that step?

Answer 1

Step 3

Explanation:

On step three, Martha added the two exponents. She was supposed to multiply the -1 and -3. The answer should have been:
`j^(2)k^(3)`

Hope this helps! :)

Answer 2

Step 3

Explanation:

j²(k^-1)^-3=j^2(k^3)