Posted by **Joshua** on Sunday, March 17, 2013 at 10:56pm.

Is there a way to prove this in upwards of 5 steps? Apparently there is??

Prove.

2^n + 2^n = 2^(n+1)

I posted this before however apparently I need something more indepth in terms of the # of steps.

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**Hasane**, Sunday, March 17, 2013 at 11:02pm
A quantity of oxygen gas had 16.32 g of the radioactive isotope oxygen-19 in it. When measured exactly 10 minutes later, the amount of oxygen-19 was 0.964 g. What is the half-life, in seconds, of oxygen-19?

- math -
**Hasane**, Sunday, March 17, 2013 at 11:03pm
woops

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**Hasane**, Sunday, March 17, 2013 at 11:03pm
let me repost this elsewhere

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**Joshua**, Sunday, March 17, 2013 at 11:04pm
lol

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**Reiny**, Sunday, March 17, 2013 at 11:46pm
LS = 2^n + 2^n

= 2(2^n)

= 2(n+1)

= RS

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