How many sig. figures does density have?
1, 2, 3, or 4?
How many sig. figures does mass have?
1, 2, 3, or 4?
The clown, which your grandparents hire for your 18th birthday, is filling balloons with helium (He) to a volume of 2500 mL.
If the density of helium (He) at room temperature is 0.0001785 g/mL, calculate the mass of the helium the clown is using.
Question 1 options:
0. 44625 g
0.45 g
0.45
0.44625
