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## Main Question or Discussion Point

How many significant figures should be present in the answer of 5*5.364?

1)

2)

Ans: 4 significant figures.

Ans : 1 significant figure.

Which one is correct??

1)

**: The result cannot have more digits to the right of the decimal point than either of the original numbers.***Addition rule*2)

**: The result must be reported with no more significant figures as there are in the measurement with the few significant figures.***Multiplication rule***Using rule 1**: 5*5.364= 5.364+5.364+5.364+5.364+5.364= 26.82Ans: 4 significant figures.

**Using rule 2**: 5*5.364= 26.82 = 30Ans : 1 significant figure.

Which one is correct??