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Subjects
Class 9MathematicsNumber SystemsExponentsMediumLevel 6
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What is the value of (45^2-1025)?

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Answer and explanation

Correct answer: 1000

First evaluate the exponent: \(45^2=45\times45=2025\). Then \(2025-1025=1000\), so the correct answer is 1000. Exam tip: evaluate the exponent before performing the subtraction.

Related tags

ExponentsNumber SystemsArithmetic OperationsOrder Of Operations

Frequently asked questions

What is the correct answer to this question?

1000

Why is this the correct answer?

First evaluate the exponent: \(45^2=45\times45=2025\). Then \(2025-1025=1000\), so the correct answer is 1000. Exam tip: evaluate the exponent before performing the subtraction.

Which subject and chapter does this question cover?

This is a Class 9 Mathematics question. Chapter: Number Systems. Topic: Exponents.

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  1. 1If A={x:x is prime and 10<x<30}, which is its roster form?
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  5. 5If (x=\sqrt{3}) then what is (x^2+x^2)?
  6. 6If (x=\sqrt{2}), what is (x^2)?
  7. 7What is the value of (2^3)?
  8. 8What is the value of (5^2)?
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  10. 10What is the value of (3^2)?
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