Question

density of 1.06 g/ml. she donates one pint of blood, which is equal to 473.176 ml.what is the mass of the blood keona donates, to the nearest hundredth of a gram?

Answer 1

Keona donates 1 ml of blood 473.176 times.
Each ml of blood has 1.06 gm of mass in it.
So the total mass of the blood is

                   (1.06 gm/ml) x (473.176 ml)  =  501.566 grams

  Rounded to the nearest hundredth, that's  501.57 grams.