Evaluating roots

Simplify

• A
• B
• C
• D

Evaluate 2^4.

• 8

• 20

• 16

• 12

Simplify $\left(4^8\right)^2$  

•  $4^{16}$  

•  $32^2$  

•  $4^6$  

•  $4^{10}$  

What is 21⁴ in expanded form?

• 21 x 21 x 21 x 21
• 21 x 4
• 4 times itself 21 times
• 21 x 4 x 4 x 4

Simplify:

• y

• y²

IDENTIFY THE SIMPLEST EQUIVALENT EXPRESSION, ASSUMING WE ONLY WANT THE PRINCIPAL ROOT

• $2m^2\ \cdot^{\ \ 6}\sqrt{m^3n^8}\$

• $am^9n^{2\ }$

• $2m^3n^2\ \cdot\ ^6\sqrt{m^2n}$

• $2m^3n^2\sqrt{m^2n}$

Which of the following has the greatest value?

• $5^{-2}$
  

• $\left(-2\right)^0$

• $2^1$

• $5^0$

In Order of Operations, what does the "P" in PEMDAS refer to?

• Pi ( $\pi$ )

• Power

• Parentheses (or any grouping symbols)

• Please