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anonymous
 4 years ago
Rewrite each expression with positive exponents and simplify.
( –3x^2)^3 *(9x^3)^–1 . i got 243x^3 but its wrong :(
anonymous
 4 years ago
Rewrite each expression with positive exponents and simplify. ( –3x^2)^3 *(9x^3)^–1 . i got 243x^3 but its wrong :(

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anonymous
 4 years ago
Best ResponseYou've already chosen the best response.0Well done for trying. Can you show me your working, either in text, or using Draw, or by scanning/taking a photo and using Attach File?

anonymous
 4 years ago
Best ResponseYou've already chosen the best response.0(3x^2)^3=27x^6. (9x^3)^1=9x^3 then i multiplied the two and got 243x^3

anonymous
 4 years ago
Best ResponseYou've already chosen the best response.0Ok, what should the answer be?

anonymous
 4 years ago
Best ResponseYou've already chosen the best response.0oh nvm. what SHOULD it be, lol.

anonymous
 4 years ago
Best ResponseYou've already chosen the best response.0well im thinking i need to get a negative exponent. so that i'll have to put the x in the denominator of a fraction

anonymous
 4 years ago
Best ResponseYou've already chosen the best response.0dw:1327952013711:dw Is this what the question is, before we go any further?

anonymous
 4 years ago
Best ResponseYou've already chosen the best response.0Alright, then you got the first bit right, but not the second bit. As you said, negative exponents mean it becomes a denominator.

anonymous
 4 years ago
Best ResponseYou've already chosen the best response.0Do you know this rule?dw:1327952197252:dw

anonymous
 4 years ago
Best ResponseYou've already chosen the best response.0so the second part is supposed to be like, 9/x^3

anonymous
 4 years ago
Best ResponseYou've already chosen the best response.0Great, so the second bit becomes dw:1327952244545:dw

anonymous
 4 years ago
Best ResponseYou've already chosen the best response.0No, that's where you went wrong

anonymous
 4 years ago
Best ResponseYou've already chosen the best response.0The brackets around the (9x^3) means that all of it goes in the denominator, not just the x^3

anonymous
 4 years ago
Best ResponseYou've already chosen the best response.0In any case, 9^1 is 1/9, not 9

anonymous
 4 years ago
Best ResponseYou've already chosen the best response.0ok, i just miswrote an example my teacher gave me so that threw me off. i was going by that.

anonymous
 4 years ago
Best ResponseYou've already chosen the best response.0No worries, easy mistake to make :D

anonymous
 4 years ago
Best ResponseYou've already chosen the best response.0What do you make of the final answer then?

anonymous
 4 years ago
Best ResponseYou've already chosen the best response.0That seems right to me. Have you got the answers page to check with?

anonymous
 4 years ago
Best ResponseYou've already chosen the best response.0yep its right. thank you for explaining it!

anonymous
 4 years ago
Best ResponseYou've already chosen the best response.0You're most welcome! :)
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