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March 27, 2015

March 27, 2015

Posted by **Molly** on Sunday, January 13, 2013 at 6:11pm.

[ (11/20)^4 x (11/20)^-8]^5

and (11/20)^-6

you cant leave an number to the power of a negative exponent. You have to change it like this ex : 2^-3 = 1/2^3 = 1/8

- Math 9 -
**Steve**, Sunday, January 13, 2013 at 6:35pm[ (11/20)^4 x (11/20)^-8]^5

= [(11/20)^(4-8)]^5

= [(11/20)^-4]^5

= (11/20)^(-4*5)

= (11/20)^-20

= 1/(11/20)^20

= (20/11)^20

(11/20)^-6

= 1/(11/20)^6

= (20/11)^6

- Math 9 -
**Molly**, Sunday, January 13, 2013 at 6:41pmThanks :)

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