Найдите значения выражения 4*10^-3+8*10^-2+5*10^-1. Created by Stilray. algebra-ru

Найдите значения выражения 4*10^-3+8*10^-2+5*10^-1...

Stilray @Stilray

October 2021 1 14 Report

Найдите значения выражения 4*10^-3+8*10^-2+5*10^-1

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teledima00

Verified answer

Ответ:

0.584

Объяснение:

По свойству степени: $\displaystyle a^{-b} = \frac{1}{a^b}$

$\displaystyle 4\cdot10^{-3} + 8\cdot 10^{-2} + 5\cdot 10^{-1} = \frac{4}{1000} + \frac{8}{100}^{\backslash 10} + \frac{5}{10}^{\backslash 100} = \frac{4+80+500}{1000} = \frac{584}{1000} = 0.584$

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