Zero Rules (chemistry) Flashcard

zeros in between other numbers
are ALWAYS significant
zeros in front of numbers
are NEVER significant (hold place)
zeros in scientific notation
are ALWAYS significant
zeros at end of number after decimal
ARE significant to show a guess or give information (not just place holders)
zeros at end of number before decimal
are MAY OR MAY NOT be significant. they maintain a value (hold place)
**CAN ALSO BE WRITTEN IN SCIENTIFIC NOTATION**
zeros at end of number with decimal point
are ALWAYS significant. they show precision and sureness

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