Page 29 - Basic Math Principles_Neat

Significant Figures and Rounding Numbers cont.

Follow these rules to determine the number of significant figures:

• All non-zero numbers and zeros contained by non-zero digits count

17,001—5 significant digits

• Leading zeros don’t count

0.00908—3 significant digits

• Trailing zeros count with a decimal point

0.004510—4 significant digits

• Trailing zeros may count without a decimal point

120,000—2 or 6 significant digits