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What is the value of (15^2 \div 15^1)?
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Answer and explanation
Correct answer: 15
When powers with the same base are divided, subtract their exponents: \(15^2 \div 15^1 = 15^{2-1}=15^1=15\). Therefore, 15 is correct. \(225\) is only the value of \(15^2\); it does not account for division by \(15^1\). Exam tip: use \(a^m \div a^n=a^{m-n}\) for the same base.
Frequently asked questions
What is the correct answer to this question?
15
Why is this the correct answer?
When powers with the same base are divided, subtract their exponents: \(15^2 \div 15^1 = 15^{2-1}=15^1=15\). Therefore, 15 is correct. \(225\) is only the value of \(15^2\); it does not account for division by \(15^1\). Exam tip: use \(a^m \div a^n=a^{m-n}\) for the same base.
Which subject and chapter does this question cover?
This is a Class 9 Mathematics question. Chapter: Number Systems. Topic: Exponents.
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