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Calculate the dilution needed

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You have been tasked with enumerating a culture of bacteria at two time points. The CFU/ml of your culture at 60 minutes was 2.57 x108and at 140 minutes was 8.72 x 108. Amount plated in 0.1 ml. Calculate the dilution needed at each time point to provide plates containing a number of colonies in the countable range.

Reference no: EM132687775

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