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In the expression 5.00 × 10^3 + 2.1 × 10^2, how many significant figures should the final answer have?

Practice Questions

1 question
Q1
In the expression 5.00 × 10^3 + 2.1 × 10^2, how many significant figures should the final answer have?
  1. 2
  2. 3
  3. 4
  4. 5

Questions & Step-by-step Solutions

1 item
Q
Q: In the expression 5.00 × 10^3 + 2.1 × 10^2, how many significant figures should the final answer have?
Solution: The term 2.1 × 10^2 has 2 significant figures, so the final answer should be rounded to 2 significant figures.
Steps: 0

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