CPM Homework Help : A2C Problem 11-105

Use properties of exponents to rewrite each expression below so that it involves only multiplication and exponents.

$\frac { ( - 2 x ) ^ { 3 } y z ^ { 2 } } { 2 ^ { - 1 } \sqrt { x } y ^ { - 3 } }$
Answer (a):
$16\,x^{ \frac{5}{2}}\,\,y^{4}\,z^{3}$

$\frac { 3 x ^ { 2 } y ^ { 3 } } { \sqrt { 3 x } \sqrt [ 3 ] { y } }$
Answer (b):
$3^{\frac{1}{2}}\,\,x^{\frac{3}{2}}\,\,y^{\frac{8}{3}}$