Number of Significant Figures in Result of Addition or Subtraction/Examples
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Examples of Use of Number of Significant Figures in Result of Addition or Subtraction
Significant Figures of $3 \cdotp 16 + 2 \cdotp 7$
- $3 \cdotp 16 + 2 \cdotp 7 = 5 \cdotp 9$
Significant Figures of $83 \cdotp 42 - 72$
- $83 \cdotp 42 - 72 = 11$
Significant Figures of $47 \cdotp 816 - 25$
- $47 \cdotp 816 - 25 = 22 \cdotp 816$
on the assumption that $25$ is exact.