How many significant figures does 0.050200 mg have?

Answer 1

Trailing zeros after a decimal point are not normally written. As trailing zero

s have been written they must be significant; thus 0.050200 mg has 5 sig fig.

Answer 2

0.050200 mg has 5 significant figures. The zeros before the 5 are considered significant when they come after a decimal point.

Answer 3

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