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Anybody really good with numbers? +k

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Jib-Ninja
Posts: 2819 - Karma: 20

I need help with my chem homework.

Earths surface has an area of 197 million square miles...convert to the following:

square meters
square centimeters
square decimeters.

Round to the right amount of significant digits if you would please :) Thanks, much appreciated.

Sep 11 2012 11:29PM
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.Hugo.
Posts: 17360 - Karma: 28,488
42
Sep 11 2012 11:30PM
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.AR6rider.
Posts: 15976 - Karma: 8,799
http://lmgtfy.com/?q=convert+square+miles+to+square+meters
Sep 11 2012 11:32PM
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45.
Posts: 3164 - Karma: 170
You can literally type that into google and have it convert for you....
Sep 11 2012 11:32PM
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ataraxia
Posts: 903 - Karma: 117
need help or need answers?
Sep 11 2012 11:32PM
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Jib-Ninja
Posts: 2819 - Karma: 20
and how do you type that answer into the computer? lol 5.102276577e+14?
Sep 11 2012 11:34PM
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.AR6rider.
Posts: 15976 - Karma: 8,799
Are you in like special kid math? 5.102 x 10^14
Sep 11 2012 11:35PM
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Jib-Ninja
Posts: 2819 - Karma: 20
just typed that in and got it incorrect. you are insulting my level of academics....and you got the answer wrong?????? seems legit.

oh and chemistry is now a math class? According to you it must be.
Sep 11 2012 11:37PM
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Loco-Deer-Slayer
Posts: 1401 - Karma: 701
Wooooow....woooow....just wow

1e+14 = 1 x 10^14

Don't quit your day job buddy
Sep 11 2012 11:37PM
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homestar
Posts: 2124 - Karma: 4,197
Use Wolfram Alpha. This website was incredibly helpful to me in Chemistry last year.
Sep 11 2012 11:37PM
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.Hugo.
Posts: 17360 - Karma: 28,488
You do realize you do a shit load of math in chemistry right? I mean you must if you are in it, and doing a problem with math right now.
Sep 11 2012 11:39PM
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.AR6rider.
Posts: 15976 - Karma: 8,799
I have no idea what number of significant digits you are supposed to round to, I just didn't feel like typing out all the decimal points, which is why I rounded. I've already helped you out enough, you can at least figure something out yourself.
Sep 11 2012 11:41PM
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Loco-Deer-Slayer
Posts: 1401 - Karma: 701
Here's how you do it without using a google converter

197e6 miles^2 * (1609.34 meters/ 1 mile)^2

That will get you meters and just look up the prefixes for the other conversions.
Sep 11 2012 11:42PM
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Rafiki
Posts: 3858 - Karma: 2,251
wolframalpha.com
convert XXXX miles to (meters, etc.)
/endthread
Sep 11 2012 11:48PM
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Jib-Ninja
Posts: 2819 - Karma: 20
Just got a 100% thanks guys ur the best :) and thanks AR6rider your a douche 98% of the time but you actually helped me out here.
Sep 11 2012 11:48PM
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bangarangmules
Posts: 5065 - Karma: 84
Aw that was nice. See why can't we all just act like this all the time?

Click for larger image
Sep 11 2012 11:55PM
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infedel_one
Posts: 5140 - Karma: 444
PLUG IN THE 10^WHATEVER AS 0'S BECAUSE THATS WHAT THEY REPRESENT.

Sep 11 2012 11:57PM
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jmasterp
Posts: 1976 - Karma: 233
8 you're welcome. But on the real, just use factor label. It's simple chemistry.
Sep 12 2012 12:02AM
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Jib-Ninja
Posts: 2819 - Karma: 20

Ight i got another chem question.

Balance and complete the acid base reaction Ca(OH)2 + HCl →

I tried Ca(OH)_2 + 2HCl -->2HOH + CaCl_2

Dec 3 2012 10:25PM
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skitheWest.
Posts: 2304 - Karma: 1,276
came in here to post...
Dec 3 2012 10:27PM
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Bread_Fish
Posts: 760 - Karma: 71
This should be right but make sure you check the charges when you switch them because that could fuck you up, i dont have a periodic table in front of me and to lazy to look up. Also OH is a polyatomic remember.
Dec 3 2012 11:57PM
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theabortionator
Posts: 51738 - Karma: 163,438
Did you know that the same internet you're posting on right now is filled with all kinds of crazy next level tools like conversion calculators?

It's wild I know?


You can click on google, and type that in and have a choice of different types of conversion calculators to help you, many of them even have multiple choices of conversion right there.

it's so wild.


The internet is amazing right?


;ihefashuefygwerg84tr8y0q234t7 53232b805w3b7nwbnff5n0tfgvnbgfwt54bnfwn7hfwt5-
Dec 4 2012 12:05AM
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