# Growth of wood

The annual growth of wood in the forest is estimated at 2%. In how many years will make the forest volume double?

### Correct answer:

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Do you want to round the number?

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

**algebra**- equation
- exponential equation
- geometric progression
- expression of a variable from the formula
**arithmetic**- rounding
**basic functions**- percentages
- logarithm

#### Units of physical quantities:

#### Grade of the word problem:

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