Anything to the 0 power is 1, so 175(2.5)

^{0}= 175.175(2.5)

^{4}= 6836. This is the number after 2.5(4) = 10 hoursCourtney L.

asked • 09/09/18A culture of bacteria doubles in weight approximately every 2.5 hours. The number of bacteria after t hours later can be approximated by 𝑁(𝑡) = 175(2.5)^{t}

a) How many bacteria would there be initially (𝑡 = 0)?

b) Find 𝑁(4). What does this number tell you in terms of this problem?

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Anything to the 0 power is 1, so 175(2.5)^{0} = 175.

175(2.5)^{4} = 6836. This is the number after 2.5(4) = 10 hours

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