Lesson eLearning

Simplify the expression and give its numerical value.

medium 2 marks Class 6 · Mathematics · Playing with Numbers
Answer
73

The correct answer is 73 — Add the two results: .

Step-by-step solution

  1. Compute which equals .
  2. Compute which equals .
  3. Multiply these two results: .
  4. Compute which equals .
  5. Add the two results: .
Common mistake: Forgetting that

Concept tested: Simplifying exponent expressions

Published · How this solution was prepared and checked

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