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What is the value of (18^2 \div 3^2)?

Answer and explanation

Correct answer: 36

Using the exponent rule \(a^n \div b^n = (a \div b)^n\), we get \(18^2 \div 3^2 = (18 \div 3)^2 = 6^2 = 36\). Option 6 is only the quotient of the bases and does not include the square. In an exam, when the powers are equal, divide the bases first and then apply the common power.

Related tags

ExponentsNumber SystemsExponent LawsSimplificationMathematicsClass 9 Mcq

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