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What is the value of (28^2)?
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Answer and explanation
Correct answer: 784
An exponent of 2 means multiplying the number by itself. Thus, 28^2 = 28 × 28 = 784, so 784 is correct. Values such as 774 or 794 can result from small multiplication errors. Exam tip: While finding a square, check the products of the ones and tens places separately.
Frequently asked questions
What is the correct answer to this question?
784
Why is this the correct answer?
An exponent of 2 means multiplying the number by itself. Thus, 28^2 = 28 × 28 = 784, so 784 is correct. Values such as 774 or 794 can result from small multiplication errors. Exam tip: While finding a square, check the products of the ones and tens places 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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