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4 significant figures. once put in scientific notation you will see 2.057 X 10^-2

You will ignore the last zero since it is to the farthest right past the decimal and not necessary.

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12y ago
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9y ago

Four of them. Trailing zeros in a number containing a decimal point are significant.

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9y ago

There are four sig figs.

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Q: What is the number of significant figures in the number 0.07020?
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