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 =?

Question

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 =?

Quizplus · Accepted Answer

The sum should be rounded to the least number of decimal places in the given numbers, which is one decimal place (56.3 g). Thus, the answer is 505.6 g.

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

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