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need help with this math problem

Mathematics
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evaluate 7 2[(1 4)to the 3rd power / 5 to the second power]

I cam up with 225

Sep 21st, 2014

(7-2)[(1-4)^3/5^2]

5 *(-27)/25

=(-27)/5 = -5.4

or 

(7-2)[(1+4)^3/5^2]

5 * 5^3/5^2= 5^4/5^2= 5^2 =25


Sep 21st, 2014

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Sep 21st, 2014
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Sep 21st, 2014
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