Question 1

What is $2x^{0}$

Accepted Answer

2

Answer

x

Answer

2x

Answer

$\frac{ 2 }{ x }$

Question 2

Rewrite using a positive exponent: ${ x^{-10}  }$

Accepted Answer

$\frac{ 1}{  x^10 }$

Answer

-10

Answer

1

Answer

10

Question 3

Write the following with a positive power:$\frac{  x^{-6}}{  x^{-8} }$

Accepted Answer

$x^2$

Answer

$x^{-14}$

Answer

$x^{-2}$

Answer

$x^14$

Question 4

Simplify $\left(\frac{xy}{z}\right)^0$

Accepted Answer

1

Answer

$\frac{1}{z}$

Answer

$xy$

Answer

$\frac{xy}{z}$

Question 5

Solve: $3^0-2^3$

Accepted Answer

$-7$

Answer

$8$

Answer

$7$

Answer

$5$

Question 6

Find the missing index: $6^3\cdot6^x\cdot6=6^{10}$

Accepted Answer

6

Answer

8

Answer

5

Answer

7

Question 7

Find the missing value: $8^5\cdot8^a=8^{12}$

Accepted Answer

$7$

Answer

$-6$

Answer

$-7$

Answer

$6$

Question 8

Write as a power of 5: $\frac{1}{125}$

Accepted Answer

$5^{-3}$

Answer

$5^{-2}$

Answer

$5^{2}$

Answer

$5^{3}$

Question 9

Use    $>,\ <\ or\ =$ to make this true: $8^2\ \ \ \ \ \ \ 2^8$

Accepted Answer

$<$

Answer

$=$

Answer

$\ge$

Answer

$>$

Question 10

Write and solve  the following  expression as a fraction: $2^{-1}+2^{-2}+2^0$

Accepted Answer

$\frac{7}{4}$

Answer

$\frac{5}{4}$

Answer

$\frac{1}{2}+\frac{1}{4}+\frac{1}{1}$

Answer

$\frac{4}{4}$

Question 11

Write as a single power of 2:  $2^4	imes8^{ }$

Accepted Answer

$2^7$

Answer

$2^6$

Answer

$2^9$

Answer

$2^8$

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