Yes, that is correct.
Two of them
99
No, two.
There are 4 significant figures in 0.0032. Seems to be only 2 significant figures in this number.
The question is based on a fallacy. Volumes can be reported in any number of significant figures.
There are two significant figures which are the two 2s.
all the zeros are significant. there are four significant figures.
22.1 to two significant figures = 22
42 has two significant figures.
23.81558 to two significant figures is 24.
It's already there.
Two of them.