Odpowiedź:
1. (2/3)⁵ = 2/3 * 2/3 * 2/3 * 2/3 * 2/3 = 4/9 * 4/9 * 2/3 = 32/(81*3) = 32/243
2. (-2/3)⁶ = (-2/3)* (-2/3) * (-2/3) * (-2/3) * (-2/3) * (-2/3)= (-32/243)* (-2/3) = 64/729
3. (3 1/3)² = (10/3)² = 10/3 * 10/3 = 100/9 = 11 1/9
Szczegółowe wyjaśnienie:
