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What is the value of (2^8 \times 2^5 \div 2^9)?

Answer and explanation

Correct answer: 16

For powers with the same base, exponents are added during multiplication and subtracted during division: \(2^8 \times 2^5 \div 2^9=2^{8+5-9}=2^4=16\). Therefore, the correct answer is 16. The option 8 equals only \(2^3\), so it is incorrect. Exam tip: for the same base, add exponents when multiplying and subtract them when dividing.

Related tags

ExponentsLaws Of ExponentsNumber SystemsPowersArithmeticMathematicsClass 9 Mcq

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