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geoffb Group TitleBest ResponseYou've already chosen the best response.0
\[\LARGE (b^{x})^{y} = b^{x \times y}\]
 2 years ago

geoffb Group TitleBest ResponseYou've already chosen the best response.0
Remember the outside exponent also applies to the 8.
 2 years ago

mathgirl73 Group TitleBest ResponseYou've already chosen the best response.1
everything must be raised to 2/3 power . when raise a product by a power you multiply the exponents
 2 years ago

xKingx Group TitleBest ResponseYou've already chosen the best response.0
@geoffb Can you explain how I'd use that formula with this problem?
 2 years ago

mathgirl73 Group TitleBest ResponseYou've already chosen the best response.1
dw:1354925885023:dw
 2 years ago

mathgirl73 Group TitleBest ResponseYou've already chosen the best response.1
dw:1354925885023:dw
 2 years ago

xKingx Group TitleBest ResponseYou've already chosen the best response.0
Can you explain what you did in each step so I can make sure I understand it?
 2 years ago

mathgirl73 Group TitleBest ResponseYou've already chosen the best response.1
from the image the exponents looks negative.
 2 years ago

mathgirl73 Group TitleBest ResponseYou've already chosen the best response.1
everything has to be raised by the power that is outside the parentheses. so 2/3
 2 years ago

mathgirl73 Group TitleBest ResponseYou've already chosen the best response.1
everything has to be raised by the power that is outside the parentheses. so 2/3
 2 years ago

mathgirl73 Group TitleBest ResponseYou've already chosen the best response.1
8 raised to the 2/3 and a^3 raised to the 2/3
 2 years ago

mathgirl73 Group TitleBest ResponseYou've already chosen the best response.1
so you have 8^2/3
 2 years ago

mathgirl73 Group TitleBest ResponseYou've already chosen the best response.1
you have to multiply a^3 by 2/3
 2 years ago

mathgirl73 Group TitleBest ResponseYou've already chosen the best response.1
so you get in the numerator 3 times 2 = 6 and the denominator 3 times 1=3
 2 years ago

mathgirl73 Group TitleBest ResponseYou've already chosen the best response.1
so you get in the numerator 3 times 2 = 6 and the denominator 3 times 1=3
 2 years ago

mathgirl73 Group TitleBest ResponseYou've already chosen the best response.1
6/3=2 so you have a^2
 2 years ago

mathgirl73 Group TitleBest ResponseYou've already chosen the best response.1
now you will have 8^2/3 a^2
 2 years ago

mathgirl73 Group TitleBest ResponseYou've already chosen the best response.1
you can't have negative exponents so you drop 82/3 down in the denominator and it becomes 8^2/3
 2 years ago

mathgirl73 Group TitleBest ResponseYou've already chosen the best response.1
now you have a^2/8^2/3
 2 years ago

mathgirl73 Group TitleBest ResponseYou've already chosen the best response.1
if you havent learned how to convert fractional exponents to radicals then you can stop there
 2 years ago

mathgirl73 Group TitleBest ResponseYou've already chosen the best response.1
but if not you convert 8 2/3 to a radical
 2 years ago

mathgirl73 Group TitleBest ResponseYou've already chosen the best response.1
dw:1354927080454:dw
 2 years ago

xKingx Group TitleBest ResponseYou've already chosen the best response.0
I think I get it lol
 2 years ago

geoffb Group TitleBest ResponseYou've already chosen the best response.0
"you can't have negative exponents" Sure you can. The rest of what you said looks good though.
 2 years ago

mathgirl73 Group TitleBest ResponseYou've already chosen the best response.1
you can but 99.9% of the time n Algebra, teachers want the answer using positive exponents.
 2 years ago
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