CherokeeGutierrez
  • CherokeeGutierrez
WILL GIVE MEDAL!! what is the value of (picture in comment box)
Mathematics
  • Stacey Warren - Expert brainly.com
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SOLVED
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katieb
  • katieb
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CherokeeGutierrez
  • CherokeeGutierrez
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whovianchick
  • whovianchick
Negative exponents mean that you have to move the value to the numerator. Move the 2 and the x^-3 up, and you get 2x^3/y^5
whovianchick
  • whovianchick
^ means the next number is an exponent, btw. So 2x^3 is Two x cubed

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whovianchick
  • whovianchick
and y^5 is y to the power of 5
CherokeeGutierrez
  • CherokeeGutierrez
sooo.....i dont get it. lol help walk me thorugh it
whovianchick
  • whovianchick
Okay, so the original equation is 1/2^-2 x^-3 y^5
whovianchick
  • whovianchick
The numbers that have negative exponents are 2 and x
whovianchick
  • whovianchick
If there's a negative exponent in the denominator, you want to move it to the numerator, and change the exponent to positive
CherokeeGutierrez
  • CherokeeGutierrez
ok....what now?
whovianchick
  • whovianchick
So, if you move the 2^-2 to the top, you multiply it by the numerator, which is 1. You're left with 2. Pretty simple, 2 times 1
whovianchick
  • whovianchick
Right now, the equation is 2/x^-3 y^5
CherokeeGutierrez
  • CherokeeGutierrez
but thats not one of the answers
whovianchick
  • whovianchick
Now, you want to move the x^-3 up to the numerator. You do the same thing. Multiply the numerator by x^3, and you get 2x^3 / y^5 The y^5 stays on the bottom. That's fine.
CherokeeGutierrez
  • CherokeeGutierrez
the choices are: 16, -4, -1/32, or -16
whovianchick
  • whovianchick
Um, none of those would work. You can't solve it with no equal sign. Was that the whole equation?
CherokeeGutierrez
  • CherokeeGutierrez
thoes are the choices for the answer to the problem
whovianchick
  • whovianchick
We don't have any information on what to plug in for x or y, so it can't be solved. Are you 100% sure that's all the information you've been given, that picture and the answer choices?
CherokeeGutierrez
  • CherokeeGutierrez
oh! i forgot x=2 and y=4
CherokeeGutierrez
  • CherokeeGutierrez
sorry i thought it was on the picture
CherokeeGutierrez
  • CherokeeGutierrez
@whovianchick
whovianchick
  • whovianchick
ok! I can help with that more now.
CherokeeGutierrez
  • CherokeeGutierrez
ok lol sorry
anonymous
  • anonymous
Hey girl come help me
whovianchick
  • whovianchick
So, let's plug them in. It's 2(2)^3 over (4)^5. The exponent for x is ONLY for x. Don't multiply x by two and then do the exponent, that's wrong. So, 2^3 is 8, times 2 is 16. 4^5 is 1024 (yes, big number, don't freak out.) You're left with 16/1024, or 1/64.
CherokeeGutierrez
  • CherokeeGutierrez
but thats not one of the choices. you mean 1/32?
anonymous
  • anonymous
@whovianchick
anonymous
  • anonymous
i need help
CherokeeGutierrez
  • CherokeeGutierrez
i mean -1/32? @whovianchick
CherokeeGutierrez
  • CherokeeGutierrez
like i said the choices are the choices are: 16, -4, -1/32, or -16 @whovianchick
whovianchick
  • whovianchick
Wait no that's wrong, I did something wrong. When you plug it in, you get -1/32
whovianchick
  • whovianchick
I think that's it. Sorry! That would've been helpful to have the values at first
whovianchick
  • whovianchick
Yeah
CherokeeGutierrez
  • CherokeeGutierrez
ok thank you for your help. @whovianchick
whovianchick
  • whovianchick
what do you want @number1gamer18
anonymous
  • anonymous
I NEED HELP
whovianchick
  • whovianchick
on what?
anonymous
  • anonymous
what comes after
whovianchick
  • whovianchick
I can't find a question in the feed
anonymous
  • anonymous
68
whovianchick
  • whovianchick
I'm not freaking stupid. Leave me alone
anonymous
  • anonymous
no but i do need help

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