Answer :

akiyama316
Trailing zeros to the right of the decimal ARE significant.
So, in 7.0 , there are 2 significant figures.

Another example: There are FOUR significant figures in 92.00
There are two significant figures in 7.0 because 7.0 is the greater than 1. If there is a decimal number that is less than 1, all figures are significant except the leading zeros after its decimal point and for a decimal number that has one or more zeros at the end, the very last zeros count as significant. so, 7.0 is the decimal number, we count both figure 7 and 0 and a significant figures.

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