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What is the value of (12^2+25)?
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Answer and explanation
Correct answer: 169
Evaluate the exponent first: \(12^2=144\). Then \(144+25=169\), so the correct answer is 169. A value such as 159 usually results from an error in squaring or addition. Exam tip: In expressions with mixed operations, evaluate exponents first.
Frequently asked questions
What is the correct answer to this question?
169
Why is this the correct answer?
Evaluate the exponent first: \(12^2=144\). Then \(144+25=169\), so the correct answer is 169. A value such as 159 usually results from an error in squaring or addition. Exam tip: In expressions with mixed operations, evaluate exponents first.
Which subject and chapter does this question cover?
This is a Class 9 Mathematics question. Chapter: Number Systems. Topic: Exponents.
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