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September 19, 2014

September 19, 2014

Posted by **Kyle** on Saturday, October 13, 2012 at 7:47pm.

The answer is 125 hours but I do not know how to get this. Please help!

- Math. Have answer, please show work -
**bobpursley**, Saturday, October 13, 2012 at 7:52pmGoodness.

change the prior problem to

1/1024=(1/2)^(t/12.5)

- Math. Have answer, please show work -
**Damon**, Saturday, October 13, 2012 at 8:13pm2 to the what = 1024 ?

(If you do not know instantly do this

2^x = 1024 )

x log 2 = log 1024

x = 10

so

(1/2)^10 = 1/1024

t/12.5 = 10

t = 125

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