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Created By: Mr. Hwong™ of Arroyo High School, El Monte, CA Free Chemistry education to all students: hwongclassroom. Com Report any errors to me: harry....see moreHwong@emuhsd. Org --------------------------------------------------------- 1. All nonzero numbers are significant. 2. Zeros appearing between nonzero digits are significant. 3. Zeros appearing in front of all nonzero digits are not significant. 4. Zeros at the end of a number and to the right of a decimal point are significant. 5. Zeros at the end of a number and to the left of a decimal point may or may not be significant. see less
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