Understanding and applying the laws of exponents to numerical expressions (integral exponents)

 $Select\ all\ the\ answer\ choices\ that\ are\ equivalent\ to\ 10^{-3}$  

•  $\frac{1}{1000}$  

•  $\frac{1}{10}\times\frac{1}{10}\times\frac{1}{10}$  

•  $\frac{1}{10^3}$  

•  $\frac{1}{10\times10\times10}$  

• 0.001

A number to the zero power is always ?

 $\frac{k^1}{k^5}=$  

•  $k^{-4}$  

•  $k^5$  

•  $k^6$  

•  $k^4$  

• 16

• 8

• -8

• 10

• -10

• 25

Evaluate (2/5)^-3

• 125/6

• 125/8

• 75/8

• 8/75

8⁰ = 0

• True 
• False