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When multiplying 2.5 and 3.42, how many significant figures should the result ha

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Question: When multiplying 2.5 and 3.42, how many significant figures should the result have?

Options:

  1. 2
  2. 3
  3. 4
  4. 5

Correct Answer: 3

Solution: 

The result should have the same number of significant figures as the measurement with the least significant figures, which is 2.5 (2 significant figures).

When multiplying 2.5 and 3.42, how many significant figures should the result ha

Practice Questions

Q1
When multiplying 2.5 and 3.42, how many significant figures should the result have?
  1. 2
  2. 3
  3. 4
  4. 5

Questions & Step-by-Step Solutions

When multiplying 2.5 and 3.42, how many significant figures should the result have?
  • Step 1: Identify the numbers being multiplied, which are 2.5 and 3.42.
  • Step 2: Count the significant figures in each number.
  • Step 3: For 2.5, there are 2 significant figures.
  • Step 4: For 3.42, there are 3 significant figures.
  • Step 5: Determine which number has the least significant figures. In this case, it's 2.5 with 2 significant figures.
  • Step 6: The result of the multiplication should have the same number of significant figures as the number with the least significant figures, which is 2.
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