Use the Following Information for Questions
3 $\quad$ Charge = +1

Multiple Choice

Use the following information for Questions
3.785 L = 1 gallon; 2.2 lbs = 1 kg; V = EQ \F(4,3) ?r^3; 1 in = 2.54 cm; 1 mile = 1.609 km; 12 in = 1 ft; 1
yard = 3 ft; 1 gal = 3.785 L; ?C = 5/9 (?F - 32)
proton $\quad$ charge = +1.6022 x 10^-19 C $\quad$ mass = 1.6726 x 10^-27 kg
electron $\quad$ charge = -1.6022 x 10^-19 C $\quad$ mass = 9.1094 x 10^-31 kg
neutron $\quad$ charge = 0 $\quad$$\quad$$\quad$$\quad$$\quad$$\quad$ mass = 1.6749 x 10^-27 kg
-What is the answer, with the correct number of significant figures, for the following problem?3.784 g + 56.3 g + 445.55 g =?

A) 505.634 g
B) 505.63 g
C) 505.6 g
D) 505 g
E) 506 g