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5 ⁷ x 5 ⁸ = 5 ¹⁵
3 ⁴ x 5 ⁴ = 15 ⁴
( 5 ⁴) ⁻³ = 5 ⁻¹⁵
2 ⁹ : 2 ⁵ = 2 ⁴
15⁷ : 5 ⁷ = 3 ⁷
10⁵ : 10 ⁻⁸ = 10 ¹³
7 ⁻⁵ : 21 ⁻⁵ = ( 1/3 ) ⁻⁵
( 7 ³)⁶ = 7 ¹⁸
6⁴ : 6 ¹⁰ = 10 ⁻⁶
2 ⁻³ x 2 ⁸ = 2 ⁵
6 ⁴ x ( 5/3 ) ⁴ = ( 30 /3 ) ⁴ = 10 ⁴
