3. Преобразуйте в одночлен стандартного вида
a) −1,4a³b ⋅ 4a²b² = (−1,4 ⋅ 4) ⋅ (a³ ⋅ a²) ⋅ (b ⋅ b²) = -5,6a^(3+2)b^(1+2) = -5,6a⁵b³
Ответ: -5,6a⁵b³