7
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Numerical Expressions with Exponents

Question 7 • Algebraic Reasoning TSI 26-27 Supplemental Wk4

Write 74 in expanded form. Then check all that apply.

Answer
A
The base is 7.
B
The exponent is 4.
C
The exponent tells you to multiply 7 together 4 times.
D
The exponent tells you to multiply 4 together 7 times.
E
The expanded form is 4 × 4 × 4 × 4 × 4 × 4 × 4.
F
The expanded form is 7 × 7 × 7 × 7.

Explanation

In 7⁴, the base is 7 and the exponent is 4. The exponent means to multiply the base by itself 4 times, so the expanded form is 7 × 7 × 7 × 7. Therefore, the base is 7, the exponent is 4, and choices A, B, C, and F are correct.

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