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What is the value of (2^7\div2^2)?

Answer and explanation

Correct answer: 32

When powers with the same base are divided, their exponents are subtracted: \(a^m\div a^n=a^{m-n}\). Therefore, \(2^7\div2^2=2^{7-2}=2^5=32\). The distractor 64 may result from incorrectly adding the exponents. Exam tip: subtract exponents only when the bases are the same.

Related tags

ExponentsNumber SystemsLaws Of ExponentsDivision Of PowersMathematicsClass 9 Mcq

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