What is the value of (39^2)?
Answer and explanation
Correct answer: 1521
The square of a number is obtained by multiplying the number by itself. Thus, \(39^2=39\times39=1521\). Therefore, 1521 is the correct option. A value such as 1531 may result from a small addition error, but the correct product is 1521. Exam tip: You can quickly verify it using \(39^2=(40-1)^2=1600-80+1\).
Frequently asked questions
What is the correct answer to this question?
1521
Why is this the correct answer?
The square of a number is obtained by multiplying the number by itself. Thus, \(39^2=39\times39=1521\). Therefore, 1521 is the correct option. A value such as 1531 may result from a small addition error, but the correct product is 1521. Exam tip: You can quickly verify it using \(39^2=(40-1)^2=1600-80+1\).
Which subject and chapter does this question cover?
This is a Class 9 Mathematics question. Chapter: Number Systems. Topic: Exponents.
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