Ответ: №1. 1) 80; 2) -1.082; 3) 0.08
(-9)2 + (-1)7 = 81 + (-1) = 81 - 1 = 80
5 ⋅ (-2/5)3 - (-0,3)2 = 5 ⋅ (-8/125) - 0.09 = -40/125 - 0.09 = -0.32 - 0.09 = -0.41
(2.6 - 2.2)3 ⋅ (-1\(\frac{3}{4}\))2 = (0.4)3 ⋅ (-1.75)2 = 0.064 ⋅ 3.0625 = 0.196
Ответ: №1. 1) 80; 2) -1.082; 3) 0.08
Ответ: №2. 1) 5²; 2) 2¹⁰; 3) (\(\frac{3}{8}\))²⁰
59 ⋅ 53 : 510 = 59+3-10 = 52 = 25
0.55 ⋅ 45 = (0.5 ⋅ 4)5 = 25 = 32
320 : (3/8)2 = (3/2)5:(3/8)2 = (\(\frac{3}{2}\))⁵ : (\(\frac{3}{8}\))² = (\(\frac{3}{2}\))⁵:((\(\frac{3}{2}\))⁻²)² = (\(\frac{3}{2}\))⁵ : (\(\frac{3}{2}\))⁻⁴ = (\(\frac{3}{2}\))⁹ = (\(\frac{3}{2}\))⁹
Ответ: №2. 1) 5²; 2) 2¹⁰; 3) (\(\frac{3}{8}\))²⁰
Ответ: №3. 1) 6a³b⁶; 2) 32a⁴x¹⁵
-3a² ⋅ 0.2ab⁴ ⋅ (-10b²) = -3 ⋅ 0.2 ⋅ (-10) ⋅ a² ⋅ a ⋅ b⁴ ⋅ b² = 6a³b⁶
2x9 ⋅ (-4a²x³)2 = 2x9 ⋅ 16a⁴x⁶ = 32a⁴x9+6 = 32a⁴x¹⁵
Ответ: №3. 1) 6a³b⁶; 2) 32a⁴x¹⁵