Simplify. Write your answer with a positive exponent.

5q^7

Step-by-step explanation:

When multiplying exponents(if positive), you must add them together. So, (5q^4)³ will be 5q^7 because the exponents were positive and they were multiplying so you add them together and leave the variable and number 5 alone.

Hope this helps! :)

-7/8

step-by-step explanation:

instead of subtracting you add the -6/8 and -1/8