15
AssignmentMultiple Choice

Numerical Expressions with Exponents

Question 15 • Algebraic Reasoning TSI 26-27 Supplemental Wk4

Choose the student who evaluated the power correctly.

Answer
A
Alexander’s work53 = 3 × 3 × 3 × 3 × 353 = 243
B
Simone’s work53 = 5 × 353 = 15
C
Ricky’s work53 = 5 × 5 × 553 = 125

Explanation

The power 5³ means multiplying 5 by itself 3 times: 5 × 5 × 5 = 125. Ricky evaluated it correctly. Alexander used 3 as the repeated factor, and Simone multiplied 5 by 3 instead.

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