Question

Riley takes 370 milligrams of an antibiotic. Every hour, her body breaks down 26% of the drug. How much will be left after 5 hours?If necessary, round your answer to the nearest tenth.

Answer 1

Given:

a₁ = 370 mg

r = 0.26

a₅ = ?

Using the general formula:

`a_n=a_1* r^(n-1)`

Then: