one microliter is 1 x 10 to the negative 6th power of a liter there are 6 liters of blood in a persons body there are about 25,000,000,000,000 red blood cells in a persons body how many red blood cells are in a microliter of blood?
There are 25*1012/6 red blood cells per liter so there must be
10-6*25*1012/6
= (25/6)*1012-6
= (25/6)*106
≈ 4.17*106 red blood cells in a microliter.
+12 
