Q25:  There are so many microbes in a single mL of culture, it is very difficult to perform one dilution to produce countable cells. Microbiologists need to perform a dilution series, where multiple dilutions are performed in sequence to arrive at the correct dilution. Dilutions are cumulative.  Multiple the series of dilutions together to find the final dilution value. If 2 serial dilutions are performed, each with a value of 1, what is the cumulative dilution? Express your answer as standard notation with zero decimal places

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Q25: 

There are so many microbes in a single mL of culture, it is very difficult to perform one dilution to produce countable cells. Microbiologists need to perform a dilution series, where multiple dilutions are performed in sequence to arrive at the correct dilution.

Dilutions are cumulative.  Multiple the series of dilutions together to find the final dilution value.

If 2 serial dilutions are performed, each with a value of 1, what is the cumulative dilution?

Express your answer as standard notation with zero decimal places.

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