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

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 OperationsMathematicsClass 9 Mcq
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  2. 2If 0.2020020002... has no fixed repetition, what type of number is it?
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  6. 6If (x=\sqrt{2}), what is (x^2)?
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  8. 8What is the value of (5^2)?
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