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A compound has a mass of 3.400 x 10^-4 grams, how many significant figures does this mass have?
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A compound has a mass of 3.400 x 10^-4 grams, how many significant figures does this mass have?

A compound has a mass of 3.400 x 10^-4 grams, how many significant figures does this-example-1
User Jameshfisher
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A compound with mass of 3.400x10^-4 has 2 significant figures, which is 3 and 4 (3.4), the zeros after 3.4 are not significant.

User Suraj Shourie
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