1. The problem statement, all variables and given/known data A typical virus is a packet of protein and DNA (or RNA) and can be spherical in shape. The influenza A virus is a spherical virus that has a diameter of 85 nm. If the volume of saliva coughed onto you by your friend with the flu is 0.023 cm3 and 10^-9 of that volume consists of viral particles, how many influenza viruses have just landed on you? 2. Relevant equations v=(4/3)*pi*r^3 3. The attempt at a solution 4/3*pi*42.5^3=volume of virus 321555 nm^3 volume of one virus (.023cm^3)*(10^-9)= 2.3e-10 cm^3 contains virus = .0023 nl Which part of my math is wrong? this just doesnt seem right at all. The volume of one virus is less than what spilled on him.