Test - LEAP 2025 Math Grade 8 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 ${(12^{2})}^{4}$ ?

$12^{6}$

$12^{8}$

$12^{2}$

$144^{2}$

1 pt

Which is equivalent to the expression

$\frac{1}{2} (13 - 5) + {(4 + 8)}^{2}$ ?

148

144

1 pt

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

$\frac{1}{49}$

$\frac{7}{49}$

$7$

$49$

1 pt

What is the value of $\frac{(6 x^{- 2})}{4 x^{2}}$ ?

$\frac{1}{24 x^{4}}$

$\frac{1}{144 x^{4}}$

$2 x^{4}$

$2 x^{2}$

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