### Home > CCA > Chapter 8 > Lesson 8.1.5 > Problem8-50

8-50.

Simplify each expression below. Your answer should contain no parentheses and no negative exponents.

1.  $(-\frac{2}{3}x^5y^{1/3})^0$

Review the Math Notes box in Lesson 3.1.2.

1.  $(25^{1/2}x^5)(4x^{−6})$

Review the Math Notes box in Lesson 7.2.2.

1.  $5t^{−3}$

The '$−3$' only applies to the $t$, not the $5$.

1.  $( \frac { x ^ { 7 } y ^ { 3 } } { x } ) ^ { 1 / 3 }$

Start by reducing the part of the expression inside of the parentheses.