Assuming the .003 095 5 is one number: .00310.
The leading zeros are never counted as significant figures, therefore the answer is two.
Rounding off the measurement 0.0030955m to the three significant figures is .00310.
65.1 meters
Don't let the 5 after the 4 fool you. You round a number according to the number directly to its right, which, in this case, is a 4. Therefore, you round down to 65.1.
65.1 m
3.09
0.003
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.
Five, two and five sig figs respectively.
3.74mL, as the 8 rounds up
45.0 is the 44.981 to 3 significant figures.
There are three significant figures in the measurement 245.
0.0034088 in three significant figures would be 0.00341
Three significant figures would be 29.5cm.
3.7308 millimeters to three significant figures is: 3.73mm
30.5 cm
It is: 29.5
Three - the first two zeros are placeholders.
130
31,500
201
It is: 1040
21.3