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Class 9MathematicsNumber SystemsExponentsMedium
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What is the value of (33^2-489)?

Answer and explanation

Correct answer: 600

First evaluate the exponent: \(33^2 = 33 \times 33 = 1089\). Then \(1089 - 489 = 600\). Therefore, the correct answer is 600. The value 1089 is only \(33^2\); the subtraction of 489 must still be performed. Exam tip: In a mixed expression, evaluate exponents before addition or subtraction.

Related tags

ExponentsInteger OperationsOrder Of OperationsNumber SystemsMental ArithmeticMathematicsClass 9 Mcq
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