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Okay thanks! I really appreciate it.

Okay. sooo, this is really broad, but I don't understand negative exponents.... At all.

Ummmmmmm. Why does a negative exponent make a fraction? I don't understand the basic concept.

Negative exponents simply means this:
\[a^{-x} = {1 \over a^x}\]

yea slaaibak got it

Yes but why are they defined that way?

it is simple

do you know
\[a^x \times a^y= a^{x+y}\]

No.

now say we want
\[a^x \times a^y = 1\]

Well yeah I do sorry.

Okay.

You'd made one negative!!! AHHH I GET IT!

so when we solve that we get
\[a^{x+y}= 1 = a^0\]

thats good! You get it :D

Teehee! Wow that just clicked. My math teacher didn't explain it that way.......

its my pleasure helping you click it :D

So another thing, how do you deal with #s with exponents in a fraction?

Give an example please?

Ummmm. How do you make fractions with this equation thing?

type over

...

3 over 4
\[3 \over 4\]

Use this code: {1 over 2}
would be
\[{1 \over 2}\]

... Um can I just say it?

yea what is your doubt? i do not comprehend it

yeah sure

Okay so if you had y^-5 times 2^3 over y^4 times x^2.

Or something to that effect.

\[ y^-5 \times 2^3 \over y^4 \times x^2.\]

\[{ y^{-5} * 2^3 \over y^4 * x^2}\]

is that your query?

Lol yeah.

You're faster than me xD

i am not lol

=.=

put*, not but

What are you talking about?

about the question you asked

I made a spelling mistake in my post.

Yeah but how did you get y^9?

I know you have to add... Or subtract the exponents or something.

\[y^4 * y^5 = y^{5 + 4}\]

OH okay.

Um one more thing. How would you get {1 over 9} % of 90. Or something like that.

Aw shoot. I messed up the thing.

\[{1 \over 9}\]

percent is always divided by 100

Yes.

so 1/9 percent is \[(1/9 ) \over 100 = 1\over900\]

1/900

Sure...

of 90 is 1/900 of 90.. of implies multiplication

so it is
1/900 times 90 = 90/900 = 1/10

Yes yes I get it.

That makes sense! Okay that's all! And I have to go. Thank you so much. ^.^

it is my pleasure