3 in A+
In 30900 there are [at least] three significant figures.
There are three.
3.
%rate:= 309 x 100%= 30900%
3 in A+
In 30900 there are [at least] three significant figures.
There are three.
3.
Three. The two zeros on the end are just placeholders. 30900 has 3 significant figures.
%rate:= 309 x 100%= 30900%
There are 4 significant figures in this number.
There are 2 significant figures in this number.
There are 4 significant figures in this number.
There are 3 significant figures in this number.
There are 3 significant figures in this number.
The least number of significant figures in any number of the problem determines the number of significant figures in the answer.