Just the one
4 sig figs the ending zero is not significant unless it was a measurement and the zero was an estimation that was part of the measurement.
Three of them
3 sig figs.
3 the zero in the middle counts, the two zeros at the end do not
It depends to how many significant figures: 1 sig fig => 10 (technically 1 x 101 or 1e1) 2 sig fig => 13 3 sig fig => 12.7 4 sig fig => 12.74 5 sig fig => 12.744
There is one sig fig
Two of them
There is one sig fig in the number 4000.
There is one sig fig in the number 1.
There is 1 sig fig in the number 2.
Three sig(nificant) fig(ure)s in '402'.
There are 4 sig. fig.
2x1.0079 =2.0158 has 1 sig fig because u have to use the smallest sig fig that was in the whole calculation which was 2, therefore the 2 in 2.0158 is the only sig fig
There is 1 sig fig.
there are 4 sig. fig. in 1001
It has 3 sig. fig.