Which applies the power of a power rule properly to simplify the expression (710)5?

For a power raised to another power, multiply the exponents: (7¹⁰)⁵ = 7^(10 × 5) = 7⁵⁰. So the correct choice is the one that multiplies 10 by 5, shown as 7¹⁰ · 5 = 7⁵⁰.

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