One of the rules of significant figures is that leading zeros are not significant; therefore, 0.00034 will only have TWO significant figures (3 and 4).
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.
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.
3 sig figs.
there are 3 sig figs. 4, 0, and 5 are the sig figs
5 sig figs
61 has 2 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