sangers

Verified answer

1) (0,25*a⁻²)²*4³*a³=(1/4)²*a⁽⁻²*²⁾*4³*a³=4⁻²*a⁻⁴*4³*a³=4⁽³⁺⁽⁻²⁾⁾*a⁽⁻⁴⁺³⁾=4¹*a⁻¹≡2²*a⁻¹.

2) (2³:4)/(14⁰*a⁻²)*a=((8:4)/(1*a⁻²))*a=(2/a⁻²)*a=2*a²*a=2*a³≡2/a⁻³.

3) (2³:8/(24⁰*a⁻²))*a²=((8:8)/(1*a⁻²))*a²=(1/a⁻²)*a²=a²*a²=a⁽²⁺²⁾≡a⁴.