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forum.virtualchallengemeets.com • View topic - Bases in decimals

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Bases in decimals

What could be so hard. It's a multiple-choice test for Pete's sake.
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Bases in decimals

Postby Salvadoramerican » Tue Mar 20, 2012 11:38 am

If x=.252525... in base 6 and y=.14141414... in base 5, then xy in base 10= ?
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Re: Bases in decimals

Postby 88bobcat » Tue Mar 20, 2012 12:59 pm

[unparseable or potentially dangerous latex formula]
[unparseable or potentially dangerous latex formula]

[unparseable or potentially dangerous latex formula]
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Re: Bases in decimals

Postby Salvadoramerican » Tue Mar 20, 2012 1:41 pm

thanks
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Re: Bases in decimals

Postby nsguy1350 » Tue Mar 20, 2012 5:49 pm

Yes, or you could treat them as infinite geometric series:
[unparseable or potentially dangerous latex formula]. I think this is just the long way to 88bobcat's method.
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Re: Bases in decimals

Postby BlasianAsian » Tue Mar 20, 2012 7:19 pm

Whoa. This will definetely be a plus to learn. I thought I saw a couple of those on some math tests.
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