Resolver 7*10^-5+89*10^-9-3*10^-5=

$$7 \times 10 ^ { - 5 } + 89 \times 10 ^ { - 9 } - 3 \times 10 ^ { - 5 } =$$

Avaliar

$$\frac{40089}{1000000000}=0,000040089$$

Passos Para a Resolução

Calcule 10 elevado a -5 e obtenha \frac{1}{100000}.

$$7\times \frac{1}{100000}+89\times 10^{-9}-3\times 10^{-5}$$

Multiplique 7 e \frac{1}{100000} para obter \frac{7}{100000}.

$$\frac{7}{100000}+89\times 10^{-9}-3\times 10^{-5}$$

Calcule 10 elevado a -9 e obtenha \frac{1}{1000000000}.

$$\frac{7}{100000}+89\times \frac{1}{1000000000}-3\times 10^{-5}$$

Multiplique 89 e \frac{1}{1000000000} para obter \frac{89}{1000000000}.

$$\frac{7}{100000}+\frac{89}{1000000000}-3\times 10^{-5}$$

Some \frac{7}{100000} e \frac{89}{1000000000} para obter \frac{70089}{1000000000}.

$$\frac{70089}{1000000000}-3\times 10^{-5}$$

Calcule 10 elevado a -5 e obtenha \frac{1}{100000}.

$$\frac{70089}{1000000000}-3\times \frac{1}{100000}$$

Multiplique 3 e \frac{1}{100000} para obter \frac{3}{100000}.

$$\frac{70089}{1000000000}-\frac{3}{100000}$$

Subtraia \frac{3}{100000} de \frac{70089}{1000000000} para obter \frac{40089}{1000000000}.

$$\frac{40089}{1000000000}$$

Fatorizar

$$\frac{3 \cdot 7 \cdot 23 \cdot 83}{2 ^ {9} \cdot 5 ^ {9}} = 4,0089 \times 10^{-5}$$