Question

$80 \times ( - 0.1) {}^{4} - 6 \times ( - 0.1) {}^{3} + 0.5$
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Answer 1

Объяснение:

80×(-0,1)⁴-6×(-0,1)³+0,5=80×0,1⁴-6×(-0,1³)+1/2=80×(1/10)⁴+6×(1/3)³+1/2=80×1/10000+6×1/000+1/2=1/125+3×1/500+1/2=1/125+3/500+1/2=257/500.