For a Certain Strain of Bacteria, the Number of Bacteria

question 49

Short Answer

For a certain strain of bacteria, the number of bacteria present after t hours is given by the equation Q = Q _oe^{0.44 t} where Q _o represents the initial number of bacteria. How long will it take 400 bacteria to increase to 4,000 bacteria? Express answer to the nearest tenth without the units. __________ hours

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Definitions:

Causal Relationships

Connections between variables where a change in one variable directly influences a change in another.

External Validity

The extent to which the findings of a study can be generalized to other settings, populations, or time periods.

Laboratory Experiments

Experiments conducted in a controlled environment where variables can be manipulated and measured precisely.

Informed Consent

In research ethics, the principle that participants in an experiment be informed in advance of all aspects of the research that might influence their decision to participate.