Jawabanmu

2014-08-21T18:25:23+07:00
(-5)⁶ x 25² = (-1 x 5)⁶ x (5²)² = (-1)⁶ x (5)⁶ x 5⁴       
       125                 5³                       5³

Kemudian
5¹⁰ = 5⁷