Solucionar 42*10^-2+42*10^-1

$$42 \cdot 10 ^ { - 2 } + 42 \cdot 10 ^ { - 1 }$$

Calcular

$$\frac{231}{50}=4,62$$

Pasos de la solución

Calcula 10 a la potencia de -2 y obtiene \frac{1}{100}.

$$42\times \frac{1}{100}+42\times 10^{-1}$$

Multiplica 42 y \frac{1}{100} para obtener \frac{21}{50}.

$$\frac{21}{50}+42\times 10^{-1}$$

Calcula 10 a la potencia de -1 y obtiene \frac{1}{10}.

$$\frac{21}{50}+42\times \frac{1}{10}$$

Multiplica 42 y \frac{1}{10} para obtener \frac{21}{5}.

$$\frac{21}{50}+\frac{21}{5}$$

Suma \frac{21}{50} y \frac{21}{5} para obtener \frac{231}{50}.

$$\frac{231}{50}$$

Factorizar

$$\frac{3 \cdot 7 \cdot 11}{2 \cdot 5 ^ {2}} = 4\frac{31}{50} = 4,62$$