When we have negative exponents, we can move the term with the exponent to the bottom of the fraction. This is also known as multiplying by the reciprocal (and changing the negative exponent to be positive!).
The reciprocal of z^-3 would be 1 / z^3.
Hope this helps!! :)
Can you take a picture bc i don’t understand
Answer:
7(2a +7)
Step-by-step explanation:

Answer:
D. 274
Step-by-step explanation:
divide 1787 by 6.5 yds to get the answer, 274.