Mass of electron:9.109 times 10^-31 kg
mass of proton: 1.673 times 10-27
speed of light=3.0 times 10^8
avogadro's number 6.02 times 10^32
planck's constant: 6.63 times 10^-34
just google chem constants sheet
Answer:
32 US Fluid Ounces
More Details would be nice though if i'm incorrect.
So if one bag has 8 apples and each apple weights 5 ounces then the whole bag weights 40 ounces (8*5).
But now you have 2.5 bags so multiply (8*5) by 2.5.
Expression is 8*5*2.5
Just in advance ,not very good at it