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December 20, 2014

December 20, 2014

Posted by **Deborah** on Monday, January 14, 2013 at 12:22pm.

A.)3.2r2

B.)1.28r^2/t^-6

C.)1.28R^2/t^9

D.)0.8r^2/t^-6

I think it is A.

Thank You.

- Math -
**Steve**, Monday, January 14, 2013 at 12:32pm(2t^-3)^3 = (2/t^3)^3 = 8/t^9

(.4r)^2 = .16r^2

multiply them to get 1.28r^2/t^9

(C)

- Math -
**Deborah**, Monday, January 14, 2013 at 12:37pmThank You.

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