Integer Exponents

Rewrite the expression as a single power:  $6^{4\ }\cdot\ 6^4$  

•  $6^2$  

• 48

•  $6^8$  

• 1002

 $\frac{12^5\cdot12^7}{-12^4}$  

Rewrite the expression as a single power:

•  $-12^4$  

• 134568

• 429,180,686

•  $-12^8$  

 $\frac{4^8}{4^5}$  

Evaluate (solve) the expression:

 $\left(\frac{\left(-3\right)^4}{\left(-3\right)^2}\right)^3$  

Evaluate the expression expression:

 $\frac{8^x}{8^5}=8^7$  

What value of x makes the equation true? (Put x= in your answer)