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What is the value of (3^2\times3^1)?

Answer and explanation

Correct answer: 27

When powers with the same base are multiplied, their exponents are added: \(3^2\times 3^1=3^{2+1}=3^3=27\). Therefore, 27 is correct. \(9\) is only the value of \(3^2\), whereas \(81\) equals \(3^4\). Exam tip: use \(a^m\times a^n=a^{m+n}\) only when the bases are the same.

Related tags

ExponentsLaws Of ExponentsNumber SystemsPowersGrade 9 MathematicsMathematicsClass 9 Mcq

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