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In the number 0.007890, how many significant figures are there?

Practice Questions

Q1
In the number 0.007890, how many significant figures are there?
  1. 3
  2. 4
  3. 5
  4. 6

Questions & Step-by-Step Solutions

In the number 0.007890, how many significant figures are there?
  • Step 1: Identify the number given, which is 0.007890.
  • Step 2: Look for the leading zeros. These are the zeros before the first non-zero digit (7 in this case).
  • Step 3: Count the leading zeros. In this number, there are three leading zeros (0.00).
  • Step 4: Ignore the leading zeros when counting significant figures.
  • Step 5: Identify the non-zero digits in the number. The non-zero digits are 7, 8, and 9.
  • Step 6: Count the non-zero digits. There are three significant figures: 7, 8, and 9.
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