anonymous
  • anonymous
(8m^3n^2)/(4mn^3)
Mathematics
  • Stacey Warren - Expert brainly.com
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SOLVED
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schrodinger
  • schrodinger
I got my questions answered at brainly.com in under 10 minutes. Go to brainly.com now for free help!
anonymous
  • anonymous
simplyfy assume that no vaiable equals 0
radar
  • radar
Refer to your rules for exponents 2m^2n^-1 or 2m^2/n
radar
  • radar
\[2m ^{2}n ^{-1}\] or (sometimes preferred)\[2m ^{2}/n\]

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anonymous
  • anonymous
i dont understand. my algebra 1 class which was the basics of this i didnt get to take because the teacher was lazy then this year we just went back to review it and i didnt understand a bit of it
anonymous
  • anonymous
\[\frac{8m^3n^2}{4mn^3} = \frac{8*m*m*m*n*n}{4*m*n*n*n} = \frac{8}{4}*\frac{m*m*m}{m}*\frac{n*n}{n*n*n}\]
anonymous
  • anonymous
now just cancel stuff.
radar
  • radar
Rules for multiplying terms with exponents are pretty few and simple. First the base has to be the same such as x or y etc. if you are multiplying like \[x ^{3}\times x ^{2}=x ^{5} \]
radar
  • radar
If dividing subtract
anonymous
  • anonymous
You can also make this a bit less tedious by using: \[\frac{8m^3n^2}{4mn^3} = \frac{8*m*m^2*n^2}{4*m*n*n^2}\]
anonymous
  • anonymous
Then cancel stuff that has the same power. But eventually you'll realize that you're just subtracting the exponents on the bottom from the exponents on the top (or adding negative exponents).
radar
  • radar
Polpak, how do you get that line in your fractions (the long line??
anonymous
  • anonymous
good question i wish i knew it would make typing the equations out alot easier
anonymous
  • anonymous
Well I don't use the equation editor cause it causes issues so I type them all by hand. The syntax they use here is called latex, and for doing fractions you just have \frac{numerator}{denominator}
anonymous
  • anonymous
im new to the whole program so i just make it look as close as i can
radar
  • radar
Let me try it: \frac{8345}{5432}
radar
  • radar
it didn't work for me!
anonymous
  • anonymous
i worked the problem out and i got the answer as 8m^2n^-2
anonymous
  • anonymous
no wait negitive 1 not ^-2
anonymous
  • anonymous
No you have to put it in the equation format. All equations must be surrounded by \ [ \] (but no spaces betwen the \ and the [)
anonymous
  • anonymous
\[8m^2n^-1\]
anonymous
  • anonymous
It should be \[\frac{2m^2}{n}\]
anonymous
  • anonymous
So you have it right for m and n, just forgot to divide the leading coefficients.
anonymous
  • anonymous
ok
anonymous
  • anonymous
Also when typing negative exponents in latex you have to use n^{-1}
anonymous
  • anonymous
ok
anonymous
  • anonymous
Did you figure it out radar?
radar
  • radar
Not yet don't want to slow down themudbug93 while he is on a roll
anonymous
  • anonymous
Try (with no spaces): \ [ \frac{1234}{4321}\]
anonymous
  • anonymous
haha radar i got it sorta figured out. i gotta go do some other things and ill be back on later tonight
radar
  • radar
\[\frac{1234}{4321}\]
anonymous
  • anonymous
You got it npw =)
radar
  • radar
Thanks a lot.
anonymous
  • anonymous
For more info see: http://en.wikibooks.org/wiki/LaTeX/Mathematics
radar
  • radar
I fanned you but did not see it increment!
anonymous
  • anonymous
Sometimes it takes a second to refresh. It looks like it worked though ;)
radar
  • radar
\[\frac{8m^{3}n^{2}}{4mn^{3}}\] Eureka!!!

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