I Begin With Six 9 9ml Water Dilution Tubes Ii Add 100ul Sample To The First Tub

What are the dilution factors for each tube (A-E) and answer F. The countable range is from 30-300.

I. Begin with six 9.9ml water dilution tubes.II. Add 100ul sample to the first tube, thenIll. Perform 100ul serial dilutions all the way to the last tube.IV. Beginning with the second tube, plate 200ul from every tube in duplicate(results shown below)10-2A.B.C.D.E.TMTTMTC493 CFU6 CFUO CFUTMTTMTC508 CFU6 CFUO CFUF. Which plates are in the countable range?