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Class 10MathematicsPolynomialsOperations on real numbers and the laws of exponentsEasy
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What is the value of \\(3^2+3^3\\)?

Answer and explanation

Correct answer: 36

First evaluate the two powers: \\(3^2=9\\) and \\(3^3=27\\). Therefore, \\(3^2+3^3=9+27=36\\), so the correct answer is 36. Remember that exponents are not added in addition; \\(3^2+3^3\\) cannot be written as \\(3^5\\). Exam tip: for powers with the same base, exponents are added only during multiplication, not addition.

Related tags

PolynomialsExponentsReal NumbersOrder Of OperationsCommon MistakesOperations On Real Numbers And The Laws Of ExponentsMathematicsClass 10 Mcq
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10 more MCQs
  1. 1Which option is the simplified form of √128?
  2. 2If α = √3 + 1 and β = √3 − 1, what is αβ?
  3. 3Which option gives the correct value of 1/(√10 − 3)?
  4. 4What is the value of (2^3\cdot2^4)?
  5. 5What is the simplified form of (\frac{5^6}{5^2})?
  6. 6What is the simplified form of ((3^2)^4)?
  7. 7If \(a\ne0\), what is the value of \(a^0\)?
  8. 8What is (10^{-2}) equal to?
  9. 9What is the simplified form of ((2\cdot5)^3)?
  10. 10What is the value of \(\left(\frac{3}{4}\right)^2\)?
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