Integers ending in zeros are ambiguous cases. The above could be 1 sig fig (to the nearest hundred) or 2 or 3 (to the nearest integer).
1 of them.
There are 2 significant figures in this measurement.
2 significant figures.
6 of them.
5
4 of them.
There are 2 significant figures in this measurement.
2 significant figures.
2 significant figures.
2 of them.
5
6 of them.
5 of them.
Three.
There are two significant figures.
4 of them.
there are 5 significant figures
2 of them.