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Subjects
Class 9MathematicsNumber SystemsExponentsMediumLevel 6
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What is the value of (17^2-89)?

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Answer and explanation

Correct answer: 200

First evaluate the exponent: \(17^2=17\times17=289\). Then \(289-89=200\), so the correct answer is \(200\). The option \(210\) may result from an error in subtraction. Exam tip: In a mixed expression, evaluate exponents before addition or subtraction.

Related tags

ExponentsInteger OperationsOrder Of OperationsNumber SystemsMental Arithmetic

Frequently asked questions

What is the correct answer to this question?

200

Why is this the correct answer?

First evaluate the exponent: \(17^2=17\times17=289\). Then \(289-89=200\), so the correct answer is \(200\). The option \(210\) may result from an error in subtraction. Exam tip: In a mixed expression, evaluate exponents before addition or 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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