You might need: Calculator After a special medicine is introduced into a petri dish full of bacteria, the number of bacteria remaining in the
dish decreases rapidly.
The relationship between the elapsed time t, in seconds, and the number of bacteria, Bsecond(t), in the petri
dish is modeled by the following function:
B second (t) = 6000
Go
15t
16
Complete the following sentence about the rate of change in the number of bacteria in minutes.
Round your answer to two decimal places.
Every minute, the number of bacteria decays by a factor of
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since your problem is x^4 = 81, what you have to undeo is the "to the fourth power" part.

the inverse (opposite operation) of "to the fourth power" is "to the fourth root".

  (x^4) ^ ¼   = 81 ^ ¼  

  81 = 3^4     so (3 ^ 4) ^ ¼   =   3 ^ 1   = 3

by hand: (3 ^ 4) ^ ¼   =   3 ^ (4 x ¼) = 3 ^ 1   = 3   (when you take a power to a power, multiply the exponents.)

or, do it by calculator. one way of finding the fourth root is to use ^ (1/4)

step-by-step explanation:

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step-by-step explanation: