Answer:
Option (B) is true
Step-by-step explanation:
m1 = 300 g
m2 = 20 g
m3 = 8.10 g
Mass is teh measure of amount of matter contained in the body.
The total mass of the object is the sum of all the three masses.
So the total mass of the object is
m = m1 + m2 + m3
m = 300 + 20 + 8.10
m = 328.10 g
Thus, the total mass of the object is 328.10 g.