4 5 points Claire is growing bacteria for a biology project. She starts with 800 bacteria, and it triples every hour. After writing an exponential equation that models this situation, how many
bacteria will there be after 4 hours?
204,800
81
64,000
21,600
(Plz put an explanation and answer this for me now cuz I need it right away thx)

the solution of the equation is 2.23 ⇒ answer b

step-by-step explanation:

* lets revise the meaning of exponential function

- the form of the exponential function is y = ab^x, where a ≠ 0, b > 0 ,  

  b ≠ 1, and x is any real number

- it has a constant base b

- it has a variable exponent x

- to solve an exponential equation, take the log or ln of both sides,  

  and solve for the variable

* lets solve the problem

∵

- the base is 7 and the exponent is x

- insert ㏑ in both sides

∴

- use the rule

∴ x ㏑(7) = ㏑(77)

- to find x divide both sides by ㏑(7)

∴

* the solution of the equation is 2.23 to the nearest 2 decimal places

step-by-step explanation: hi!

- click here to get an answer to your question ✍ 75 i will mark one of the angles formed by two

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