AMC / AIME · Geometric Sequences · Easy

Geometric Sequences: A bacteria count doubles each hour from math. Find the count after math hours.

Common ratios.

Try the problem

A bacteria count doubles each hour from 55. Find the count after 33 hours.

Hint and answer

Concept to use

$a_n$ formula.

Hint

Multiply by the common ratio to move one term.

Answer

40

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