Yes, that alright, the last (at right) zero is also significant, the left ones are not.
The measurement 77.09m has four significant figures.
That measurement has 4 significant figures. It could also be stated as 1.580 x 10^-3.
There are four significant figures in the measurement 1.050 L.
Three - the first two zeros are placeholders.
There are three. The 4, the 5 and the zero in between. The two last zeros serve only to properly space the decimal point which, in this number, is implied.
There are 4 significant figures in this measurement.
There are four significant figures in the measurement 612.3 meters.
There are 2 significant figures in this measurement.
There are 2 significant figures in this measurement.
The measurement 77.09m has four significant figures.
There are 4 significant figures in this number.
There are 4 significant figures in this number.
4 significant figures.
4 of them.
4 of them.
102.3 cm
4 of them.