Test - OK Mastering the OSTP in Grade 8 math Chapter 1

1 pt

Rewrite the following problem using an exponent.

63 × 63 × 63 × 63 × 63

$63^{3}$

$63^{4}$

$63^{5}$

$63^{6}$

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 ${(12^{2})}^{4}$ ?

$12^{6}$

$12^{8}$

$12^{2}$

$144^{2}$

1 pt

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

${(X^{2})}^{2}$

${(X^{3})}^{2}$

$(X^{3}) \times 2$

$(X^{2}) \times 2$

1 pt

Which is equivalent to the expression $\frac{1}{2} (13 - 5) + {(4 + 8)}^{2}$ ?

148

144

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