# what is 1.04 to the 20th power?

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- PuzzlingLv 74 weeks ago
Have you considered asking Google? It can do calculations like this for you. See the link below.

- rotchmLv 74 weeks ago
The trick is to use a calculator here. Not much any other way.

But if you want an approximation, you can use the binomial expansion:

(1+x)ⁿ = 1 + nC1 * x + nC2*x² + ...

If x is small (as here), use just the first few terms. Take the first three.

You will get the approximate answer of 2.104.

Try four terms... what do you get?

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