Four.
When the decimal point is expressed, trailing zeros are significant.
Leading zeros are never significant.
2 significant figures.
There are 4 significant figures in this measurement.
There are 3 significant figures in this measurement.
3 of them.
The is one significant figure.
2300.m has four significant figures.
2 significant figures.
There are three significant figures in 4.00
Six significant figures.
There are 4 significant figures in this measurement.
There are 3 significant figures in this measurement.
There are 2 significant figures in this measurement.
The least number of significant figures in any number of the problem determines the number of significant figures in the answer.
1
3
2
3 of them.