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Class 9MathematicsNumber SystemsExponentsMedium
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If (e^3=1331) then what is (e)?

Answer and explanation

Correct answer: 11

We are given \(e^3=1331\). Since \(11^3=11\times11\times11=1331\), it follows that \(e=11\). In such questions, identifying the cube root of 1331 is the quickest method.

Related tags

Number SystemsExponentsCube RootsPowersMathematicsClass 9 Mcq
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10 more MCQs
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  2. 2If 0.2020020002... has no fixed repetition, what type of number is it?
  3. 3If 0.3030030003... has no fixed repetition, what type of number is it?
  4. 4If (x=\sqrt{11}) then what is (x^2+5)?
  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)?
  8. 8What is the value of (5^2)?
  9. 9What is the value of (10^2)?
  10. 10What is the value of (3^2)?
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