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How many significant figures are in the number 10.65922?

Chemistry

ScanSolve AI Answer

Answer

7\text{7}

Step-by-step solution

3 steps

To determine the number of significant figures in 10.65922, we follow these rules:

  • All non-zero digits are significant.
  • Zeros between non-zero digits are significant.
  • Leading zeros (before non-zero digits) are not significant.
  • Trailing zeros (at the end of the number) are significant only if the number contains a decimal point.

  1. Identify all digits in the number 10.65922.

    The digits are $1, 0, 6, 5, 9, 2, 2$.

  2. Apply the rules for significant figures.

    • The digits $1, 6, 5, 9, 2, 2$ are all non-zero, so they are significant.
    • The digit 0 is between the non-zero digits 1 and 6, so it is also significant.

  3. Count all the significant digits.

    All 7 digits ($1, 0, 6, 5, 9, 2, 2$) are significant.

    The number of significant figures in 10.65922 is:

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