Question: You dilute a sample 1:2 10 times and plate 0.2 ml. If 100 colonies form on the plate and the orig…

You dilute a sample 1:2 10 times and plate 0.2 ml. If 100
colonies form on the plate and the original suspension had
1,024,000 total bacteria per ml. in it, the percent viability of
the suspension was ___%

You spread 0.2 ml. from a bacterial suspension onto a petri dish
and get 100 colonies the next morning. The suspension contains ____
viable bacteria per ml.