Question 8 • Algebraic Reasoning TSI 26-27 Supplemental Wk4
In 5², the base is 5 and the exponent is 2. The exponent tells you to multiply the base by itself twice: 5 × 5 = 25. So the expanded form is 5 × 5, and 5² = 25; it is not 2 × 2 × 2 × 2 × 2 or 32.
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