# Microorganisms

The first generation of microorganisms has a population of 13500 members. Each subsequent generation is 11/10 times the previous one. Find out how many generations will reach at least three times members of the first generation.

## Correct answer:

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### You need to know the following knowledge to solve this word math problem:

**algebra**- exponential equation
- arithmetic progression
- geometric progression
**arithmetic**- rounding
- comparing
**basic functions**- logarithm
- exponential function
**numbers**- fractions

### Units of physical quantities:

### Grade of the word problem:

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