Hey, how do I find the power of something?

I have a base number, let's say it's 10 and 10 to the power of 2 is 100.

How could I have the sum (100) and the base (10) and get 2?

or 4 to the power of 3 = 64

So I'd have 4 and 64 and get 3?

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Hey, how do I find the power of something?

I have a base number, let's say it's 10 and 10 to the power of 2 is 100.

How could I have the sum (100) and the base (10) and get 2?

or 4 to the power of 3 = 64

So I'd have 4 and 64 and get 3?

I have a base number, let's say it's 10 and 10 to the power of 2 is 100.

How could I have the sum (100) and the base (10) and get 2?

or 4 to the power of 3 = 64

So I'd have 4 and 64 and get 3?

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Clever way to get your math homework done, isn't it.

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What you're trying to find is the logarithm, not the power.

For 8^2 = 64, 8 is the base, 64 is the power and 2 is the exponent. The exponent equals the logarithm of the power as long as you don't change the base.

http://sourceforge.net/apps/mediawiki/c ... xpressions <-- Look under "Math".

Use**ln** for base *e* (Euler's number, approx. 2.718) or **log** for base 10.

For example: 10^x = 1000. To find x, just do: [code:3jalj99k]log(1000)[/code:3jalj99k]

...which gives you 3.

If the base isn't 10 or*e*, use this instead: [code:3jalj99k]log(power) / log(base)[/code:3jalj99k]

(You can use**ln** instead of **log**, the result should be the same.)

Using the example above, 8^2 = 64, you get [code:3jalj99k]log(64) / log(8)[/code:3jalj99k]

...and that should give you 2.

For 8^2 = 64, 8 is the base, 64 is the power and 2 is the exponent. The exponent equals the logarithm of the power as long as you don't change the base.

http://sourceforge.net/apps/mediawiki/c ... xpressions <-- Look under "Math".

Use

For example: 10^x = 1000. To find x, just do: [code:3jalj99k]log(1000)[/code:3jalj99k]

...which gives you 3.

If the base isn't 10 or

(You can use

Using the example above, 8^2 = 64, you get [code:3jalj99k]log(64) / log(8)[/code:3jalj99k]

...and that should give you 2.

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