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If a measurement is recorded as 1500 m, how many significant figures does it hav

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Question: If a measurement is recorded as 1500 m, how many significant figures does it have?

Options:

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

Correct Answer: 2

Solution: 

The number 1500 m has 2 significant figures unless specified otherwise (e.g., with a decimal point). Without a decimal, trailing zeros are not counted.

If a measurement is recorded as 1500 m, how many significant figures does it hav

Practice Questions

Q1
If a measurement is recorded as 1500 m, how many significant figures does it have?
  1. 2
  2. 3
  3. 4
  4. 1

Questions & Step-by-Step Solutions

If a measurement is recorded as 1500 m, how many significant figures does it have?
  • Step 1: Identify the number given, which is 1500 m.
  • Step 2: Understand what significant figures are. They are the digits in a number that contribute to its precision.
  • Step 3: Look at the digits in 1500. The digits are 1, 5, and the two zeros.
  • Step 4: Note that trailing zeros (the zeros after the 5) are not counted as significant figures if there is no decimal point.
  • Step 5: Since there is no decimal point in 1500, only the digits 1 and 5 are significant.
  • Step 6: Conclude that 1500 m has 2 significant figures.
  • Significant Figures – Understanding how to identify significant figures in a number, including the rules for counting zeros.
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