1 pt

2.

What is the value of ${X}^{4}\times {X}^{5}$?

A

${X}^{2}$

B

${X}^{4}$

C

${X}^{5}$

D

${X}^{9}$

1 pt

4.

Which of the following is equal to ${x}^{6}$?

A

${\left({x}^{2}\right)}^{2}$

B

${\left({x}^{3}\right)}^{2}$

C

$\left({x}^{3}\right)\times 2$

D

$\left({x}^{2}\right)\times 2$

1 pt

6.

What is the value of $\frac{4{x}^{-5}}{7}$?

A

$\frac{7x}{4{x}^{5}}$

B

$\frac{4}{7x}$

C

$\frac{4}{7{x}^{5}}$

D

$\frac{7{x}^{5}}{4}$

1 pt

7.

What is the value of ${7}^{-2}\xb7{7}^{4}$?

A

$\frac{1}{49}$

B

$\frac{7}{49}$

C

7

D

49

1 pt

11.

The table below shows the number of items ordered from a bakery for the Smith family reunion.

Which number sentence and answer shows the number of items ordered for the Smith family reunion?

A

${1}^{2}+{12}^{2}+{6}^{2}+{5}^{2}+{20}^{2}=606$

B

${1}^{2}+{12}^{2}+{6}^{2}+{5}^{2}+{20}^{2}=1,906$

C

${1}^{2}+{12}^{2}+{6}^{2}+{5}^{2}+{20}^{2}={44}^{2}=1,606$

D

${1}^{2}+{12}^{2}+{6}^{2}+{5}^{2}+{20}^{2}=888$