Test - South Carolina Get Ready Grade 8 Mathematics Chapter 1

1 pt

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

$x^{2}$

$x^{4}$

$x^{5}$

$x^{9}$

1 pt

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

$\frac{1}{49}$

$\frac{7}{49}$

1pt

13.

If $\frac{x^{17}}{x^{15}} = 64$ , then what is the value of $\frac{x^{12}}{x^{9}}$ ?

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