​Simplify the expression using properties of exponents, algebra homework help

​Simplify the expression using properties of exponents, algebra homework help

Simplify the expression using properties of exponents. Write your answer with positive exponents only. Assume that variables are not 0.

fraction numerator 4 y to the power of 8 z to the power of minus 2 end exponent over denominator 1 y z to the power of minus 3 end exponent end fraction

A. 4y^7z

B. 4y^7z^5

C. fraction numerator 4 y to the power of 7 over denominator z to the power of 5 end fraction

D. fraction numerator 4 y to the power of 7 over denominator z end fraction