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Class 9MathematicsNumber SystemsExponentsHard
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What is the value of (2^8+3^7)?

Answer and explanation

Correct answer: 2443

Evaluate the powers first: \(2^8=256\) and \(3^7=2187\). Therefore, \(2^8+3^7=256+2187=2443\), so option C is correct. In an exam, calculate each power separately before performing the addition to avoid place-value errors.

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ExponentsNumber SystemsPowersArithmetic 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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  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)?
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  10. 10What is the value of (3^2)?
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