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Which expression is equivalent to (58)7(5^8)^7?\newlineChoices:\newline(A) 1515\frac{1}{5^{15}}\newline(B) 5155^{15}\newline(C) 5565^{56}\newline(D) 1556\frac{1}{5^{56}}

Full solution

Q. Which expression is equivalent to (58)7(5^8)^7?\newlineChoices:\newline(A) 1515\frac{1}{5^{15}}\newline(B) 5155^{15}\newline(C) 5565^{56}\newline(D) 1556\frac{1}{5^{56}}
  1. Apply Power Rule: When raising a power to a power, we multiply the exponents.\newline(58)7=5(8×7)(5^8)^7 = 5^{(8\times7)}
  2. Calculate Exponents: Calculate the product of the exponents. 58×7=5565^{8\times7} = 5^{56}
  3. Compare with Choices: Compare the result with the given choices.\newlineThe expression 5565^{56} matches choice (C).

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