Завдання:
Знайди значення виразу:
1) (–2,1)2;
2) (–4)3;
3) (-3/7)2;
4) (–0,1)3;
5) (–1)2;
6) (–1)3.
Розв'язок:
1) (-2,1)² = -2,1 ⋅ (-2,1) = 4,41
2) (-4)³ = -4 ⋅ (-4) ⋅ (-4) = -64
3) (-3/7)2=-3/7 ⋅ (-3/7) = 9/49
4) (-0,1)³ = -0,1 ⋅ (-0,1) ⋅ (-0,1) = -0,001
5) (-1)² = -1 ⋅ (-1) = 1
6) (-1)³ = -1 ⋅ (-1) ⋅ (-1) = -1