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11. Realiza los siguientes cálculos.

a) [tex]4.2 \times 10^5 - 2.3 \times 10^5 + 0.2 \times 10^5 =[/tex]

Sagot :

Claro, vamos a realizar los cálculos paso a paso:

### Parte a)

Tenemos la expresión:

[tex]\[ 4.2 \times 10^5 - 2.3 \times 10^5 + 0.2 \times 10^5 \][/tex]

Descomponemos cada término:

[tex]\[ 4.2 \times 10^5 = 420000 \quad \text{(cuatrocientos veinte mil)} \][/tex]

[tex]\[ 2.3 \times 10^5 = 230000 \quad \text{(doscientos treinta mil)} \][/tex]

[tex]\[ 0.2 \times 10^5 = 20000 \quad \text{(veinte mil)} \][/tex]

Ahora sustituimos los valores en la expresión original:

[tex]\[ 420000 - 230000 + 20000 \][/tex]

Primero realizamos la resta:

[tex]\[ 420000 - 230000 = 190000 \][/tex]

Y luego sumamos el tercer término:

[tex]\[ 190000 + 20000 = 210000 \][/tex]

Por lo tanto:

[tex]\[ 4.2 \times 10^5 - 2.3 \times 10^5 + 0.2 \times 10^5 = 210000 \][/tex]

### Parte b)

Ahora tenemos la expresión:

[tex]\[ 10 - 404 \][/tex]

La realizamos simplemente restando:

[tex]\[ 10 - 404 = -394 \][/tex]

### Resumen de Resultados

a)
[tex]\[ 4.2 \times 10^5 - 2.3 \times 10^5 + 0.2 \times 10^5 = 210000 \][/tex]

b)
[tex]\[ 10 - 404 = -394 \][/tex]

Estos son los valores calculados.
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