Answer:
B
Step-by-step explanation:
each exponent inside the parenthesis is multiplied by the exponent outside the parenthesis.
[tex](\frac{2^{3} }{4^{2} }) ^{5}[/tex]
= [tex]\frac{2^{3(5)} }{4^{2(5)} }[/tex]
= [tex]\frac{2^{15} }{4^{10} }[/tex]
