G8: Lesson Quiz(2) Integer exponent

Mark ALL equivalent choices:

• -16

• 1/4²

• 1/16

• -1/16

• (-4)²

3⁻⁴

• 1 ⁄ 81
• -81
• 81
• 1 ⁄ 12

Any number raised to zero power is equal to?

•  $1$  

•  $0$  

•  $-1$  

•  $100$  

Simplify the following expression with only positive exponents:

 $x^4y^0z^{-1}$  

•  $\frac{x^4y}{z}$  

•  $x^4yz$  

•  $\frac{x^4}{z}$  

•  $1$