Do Leading Zeros Count as Sig Figs?

3. Leading zeros are NOT significant. They're nothing more than "place holders." The number 0.54 has only TWO significant figures. 0.0032 also has TWO significant figures.

Do zeros count as sig figs?

The number 0 has one significant figure. Therefore, any zeros after the decimal point are also significant. Example: 0.00 has three significant figures. Any numbers in scientific notation are considered significant.

How many significant figures does 0.0 have?

0.0203 has 3 significant figures, 0.020 has 2 significant figures, 0.02 has 1 significant figure, 0.0 has 0 significant figures.

Maya Lin-Takahashi

Maya Lin-Takahashi

Consumer Tech & Gadget Reviewer

Maya is a hardware enthusiast who tests and reviews smart home devices, smartphones, wearables, and audio gear. She focuses on practical consumer value and build quality.