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What is the value of ((3^2)^4 \div 3^5)?

Answer and explanation

Correct answer: 27

First apply the power-of-a-power rule: (a^m)^n = a^{mn}, so (3^2)^4 = 3^8. Then use the quotient rule for powers with the same base: 3^8 \div 3^5 = 3^{8-5} = 3^3 = 27. Therefore, option B is correct. Exam tip: multiply exponents for a power raised to a power, but subtract exponents when dividing like bases.

Related tags

ExponentsExponent LawsNumber SystemsPower Of A PowerQuotient RuleMathematicsClass 9 Mcq

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