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What is the value of (40^2)?
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Answer and explanation
Correct answer: 1600
An exponent of 2 means the square of the number. Therefore, \(40^2 = 40 \times 40 = 1600\). The value 400 is only \(40 \times 10\), so it is not correct. Exam tip: when squaring a number, multiply it by itself.
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What is the correct answer to this question?
1600
Why is this the correct answer?
An exponent of 2 means the square of the number. Therefore, \(40^2 = 40 \times 40 = 1600\). The value 400 is only \(40 \times 10\), so it is not correct. Exam tip: when squaring a number, multiply it by itself.
Which subject and chapter does this question cover?
This is a Class 9 Mathematics question. Chapter: Number Systems. Topic: Exponents.
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