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What is the value of (51^2)?
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Answer and explanation
Correct answer: 2601
To find the square of a number, multiply it by itself. Thus, \(51^2=51\times51=2601\), so 2601 is correct. A value such as 2501 does not result from multiplying 51 by 51. Exam tip: You can quickly verify it using \((50+1)^2=50^2+2\times50\times1+1^2\).
Frequently asked questions
What is the correct answer to this question?
2601
Why is this the correct answer?
To find the square of a number, multiply it by itself. Thus, \(51^2=51\times51=2601\), so 2601 is correct. A value such as 2501 does not result from multiplying 51 by 51. Exam tip: You can quickly verify it using \((50+1)^2=50^2+2\times50\times1+1^2\).
Which subject and chapter does this question cover?
This is a Class 9 Mathematics question. Chapter: Number Systems. Topic: Exponents.
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