Issolvi =7.2*10^-3/8.1*10^-3*630*10^-9

$$= \frac { 7.2 \times 10 ^ { - 3 } } { 8.1 \times 10 ^ { - 3 } } \times 630 \times 10 ^ { - 9 }$$

Evalwa

$$0.00000056$$

Passi tas-Soluzzjonijiet

Annulla 10^{-3} fin-numeratur u d-denominatur.

$$\frac{7.2}{8.1}\times 630\times 10^{-9}$$

Espandi \frac{7.2}{8.1} billi timmultiplika kemm in-numeratur kif ukoll id-denominatur b'10.

$$\frac{72}{81}\times 630\times 10^{-9}$$

Naqqas il-frazzjoni \frac{72}{81} għat-termini l-aktar baxxi billi testratta u tikkanċella barra 9.

$$\frac{8}{9}\times 630\times 10^{-9}$$

Immultiplika \frac{8}{9} u 630 biex tikseb 560.

$$560\times 10^{-9}$$

Ikkalkula 10 bil-power ta' -9 u tikseb \frac{1}{1000000000}.

$$560\times \frac{1}{1000000000}$$

Immultiplika 560 u \frac{1}{1000000000} biex tikseb \frac{7}{12500000}.

$$\frac{7}{12500000}$$

Fattur

$$\frac{7}{2 ^ {5} \cdot 5 ^ {8}} = 5.6000000000000005 \times 10^{-7}$$