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What is the value of (11^2+3^2)?
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Answer and explanation
Correct answer: 130
First evaluate the powers: \(11^2=121\) and \(3^2=9\). Therefore, \(11^2+3^2=121+9=130\). Hence, option C is correct. 129 results from an addition error. Exam tip: evaluate each power first, then check the addition separately.
Frequently asked questions
What is the correct answer to this question?
130
Why is this the correct answer?
First evaluate the powers: \(11^2=121\) and \(3^2=9\). Therefore, \(11^2+3^2=121+9=130\). Hence, option C is correct. 129 results from an addition error. Exam tip: evaluate each power first, then check the addition separately.
Which subject and chapter does this question cover?
This is a Class 9 Mathematics question. Chapter: Number Systems. Topic: Exponents.
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