Ответ:
190.5
Объяснение:
b₁ = 96
q = 0.5
S₇ - ?
= = = = =
b₇ = b₁ · q⁶ = 96 · 0.5⁶ = 96 : 2⁶ = 96 : 64 = 1.5
S₇ = (b₇ · q - b₁) : (q - 1) = (1.5 · 0.5 - 96) : (0.5 - 1) = -95.25 : (-0.5) = 190.5
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Ответ:
Ответ:
190.5
Объяснение:
b₁ = 96
q = 0.5
S₇ - ?
= = = = =
b₇ = b₁ · q⁶ = 96 · 0.5⁶ = 96 : 2⁶ = 96 : 64 = 1.5
S₇ = (b₇ · q - b₁) : (q - 1) = (1.5 · 0.5 - 96) : (0.5 - 1) = -95.25 : (-0.5) = 190.5