Issolvi 20*85div285*15*10^-6

$$20 \times 85 \div 285 \times 15 \times { 10 }^{ -6 }$$

Evalwa

$$\frac{17}{190000}\approx 0.000089474$$

Passi tas-Soluzzjonijiet

Immultiplika 20 u 85 biex tikseb 1700.

$$\frac{1700}{285}\times 15\times 10^{-6}$$

Naqqas il-frazzjoni \frac{1700}{285} għat-termini l-aktar baxxi billi testratta u tikkanċella barra 5.

$$\frac{340}{57}\times 15\times 10^{-6}$$

Immultiplika \frac{340}{57} u 15 biex tikseb \frac{1700}{19}.

$$\frac{1700}{19}\times 10^{-6}$$

Ikkalkula 10 bil-power ta' -6 u tikseb \frac{1}{1000000}.

$$\frac{1700}{19}\times \frac{1}{1000000}$$

Immultiplika \frac{1700}{19} u \frac{1}{1000000} biex tikseb \frac{17}{190000}.

$$\frac{17}{190000}$$

Fattur

$$\frac{17}{2 ^ {4} \cdot 5 ^ {4} \cdot 19} = 8.947368421052632 \times 10^{-5}$$