How many significant digits are in #50.00#?

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Answer 1 · 2016-05-24T12:45:42

50.00 (4 significant figures)

there are 4 significant figures in #50.00#. The zeros in this number are trailing zeros in a number that has a decimal point.

There are 3 types of zeros:

Leading zero : Do not count as a significant figure.
Example: 0.001 (1 significant figure), 0.2 (1 significant figure)
Captive zero: Always count as a significant figure.
Example: 709 (3 significant figures)
Trailing zero: Counts as a significant figure if the number contains a decimal point. However, it does not count if the number does not contain a decimal point.
Example: 50.00 (4 significant figures), 50 (1 significant figure), 50. (2 significant figures).