No. 3. The trailing 0 (the one at the end) is significant because it is an indication of the precision of the number.
3 significant figures... the 404
This pair does not have the same or the same number of significant figures.
42 has two significant figures.
23.43 rounded to two significant figures is 23.
687 to two significant figures is 690.
No, three significant figures.
3 significant figures... the 404
Two significant figures.
Yes.
This pair does not have the same or the same number of significant figures.
There are 4 significant figures in 0.0032. Seems to be only 2 significant figures in this number.
There are two significant figures which are the two 2s.
all the zeros are significant. there are four significant figures.
23.81558 to two significant figures is 24.
22.1 to two significant figures = 22
42 has two significant figures.
It's already there.