What is the value of (2^7 \div 2^5)?
Answer and explanation
Correct answer: 4
When powers with the same base are divided, subtract the exponents: \(2^7 \div 2^5 = 2^{7-5} = 2^2 = 4\). Therefore, 4 is correct. Getting 8 results from not applying the exponent rule correctly. Exam tip: subtract exponents for division with the same base; add them for multiplication.
Frequently asked questions
What is the correct answer to this question?
4
Why is this the correct answer?
When powers with the same base are divided, subtract the exponents: \(2^7 \div 2^5 = 2^{7-5} = 2^2 = 4\). Therefore, 4 is correct. Getting 8 results from not applying the exponent rule correctly. Exam tip: subtract exponents for division with the same base; add them for multiplication.
Which subject and chapter does this question cover?
This is a Class 9 Mathematics question. Chapter: Number Systems. Topic: Exponents.
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