Question
A certain antibiotic reduces the number of bacteria in your body by 10% each does. a)If four does of the antibiotic are taken, what percent of the original bacterial population is left?
I think the formula is supposed to be tn=100(9/10)^-1, but when i substituted 1 into it, the answer is wrong.
I think the formula is supposed to be tn=100(9/10)^-1, but when i substituted 1 into it, the answer is wrong.
Answers
sorry i subbed 10 into it, and it was wrong.
sorry i meant 4
It should be
t(n) = 100(.9)^n
so if n=4
t(4) = 100(.9)^4 = 65.61
t(n) = 100(.9)^n
so if n=4
t(4) = 100(.9)^4 = 65.61
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