78 g
Two significant figures.
There are two significant figures in the measurement 210 cm.
There are two significant figures in the measurement 0.0039.
There are two. The two leading 0's re not significant figures.
2 of them.
2 of them.
There are 5 significant figures in this measurement.
There are 2 significant figures in this measurement.
There are 2 significant figures in this measurement.
There are 2 significant figures in this measurement.
There are 2 significant figures in this measurement.
There are 2 significant figures in this measurement.