It is 8.00
0.0003
0.0086
0.0148
0.015
0.0102
6,762 to 3 significant figures is: 6,760
3 significant figures; 2 1 8
0.0271
0.0082
20.375
You count the number of figures from left to right starting with the first number different from 0. Example: 205 has 3 significant figures 0.0000205 has 3 significant figures 0.000020500000 has 8 significant figures
3.74mL, as the 8 rounds up