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Simplify: 4√(81) - 2^3

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Question: Simplify: 4√(81) - 2^3

Options:

  1. 30
  2. 26
  3. 22
  4. 18

Correct Answer: 26

Solution: 

Calculate the square root: 4√(81) = 4 × 9 = 36. Then, 2^3 = 8. Finally, 36 - 8 = 28.

Simplify: 4√(81) - 2^3

Practice Questions

Q1
Simplify: 4√(81) - 2^3
  1. 30
  2. 26
  3. 22
  4. 18

Questions & Step-by-Step Solutions

Simplify: 4√(81) - 2^3
  • Square Root and Exponents – Understanding how to calculate square roots and powers of numbers.
  • Order of Operations – Applying the correct order of operations when simplifying expressions.
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