Your question isn’t typed right :(
Mass = 39.0 gal × (3.785 L/1 gal) × (1000 mL/1 L) × (0.789 g/1 mL) × (1 lb/453.6 g) = 257 lb
The region of negative charge surrounding an atomic nucleus that is associated with an atomicorbital<span>. Hope that helps :)</span>
List of different types of forces:
Gravity
Push
Pull
Friction
Magnetism
Net force
Momentum
The lowest is at the bottom right and the highest is at the top right I think