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Class 9MathematicsNumber SystemsExponentsMedium
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What is the value of (38^2-644)?

Answer and explanation

Correct answer: 800

First evaluate the exponent: 38^2 = 38 × 38 = 1444. Then, 1444 − 644 = 800, so option D is correct. In such questions, remember to evaluate the exponent before performing subtraction.

Related tags

Number SystemsExponentsArithmetic OperationsOrder Of OperationsMathematicsClass 9 Mcq
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