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Significant figures

Significant figures Significant Figures Writing Rules. a. All non-zero digits are significant figures Example:         341 0 meter                  have 3 significant figures 235,23 gram                have 5 significant figures 13 00 secon                  have 2 significant figures b. All zeros situated between the figures is not zero included significant figures. Example:         3005 meter                  have 4 significant figures 205 0 gram                   have 3 significant figures 1001 0 secon     ...