if a zero is before the first nonzero number, exclude it. ex: .00023 is 2 sig figs.
count any zeros after the number and between. ex: 2.00530 is 6 sig figs.
there are 3 sig figs. 4, 0, and 5 are the sig figs
5 sig figs
6.002 has four sig figs.
There are five sig figs in 4.1275.
There are two sig figs in 3700000.
two sig figs
there are 3 sig figs. 4, 0, and 5 are the sig figs
5 sig figs
61 has 2 sig figs.
13.00 has 4 sig figs.
There are five sig figs
There are four sig figs in 2.905.
There are three sig figs in 1.05.
There are three sig figs in 4890.
All five of them are sig figs
There are two sig figs in 3700000.
There are four sig figs in 1.032