kelseiroll2750 kelseiroll2750
  • 17-07-2019
  • Mathematics
contestada

A2. Find the rational number whose decimal expansion is 0.3344444...

Respuesta :

gmany
gmany gmany
  • 17-07-2019

Answer:

[tex]\large\boxed{0.334444...=\dfrac{301}{900}}[/tex]

Step-by-step explanation:

[tex]x=0.334444...\qquad\text{multiply both sides by 100}\\\\100x=33.4444...\qquad\text{multiply both sides by 10}\\\\1000x=334.4444...\qquad\text{subtract}\ 100x\ \text{from}\ 1000x\\\\1000x-100x=334.4444...-33.4444...\\\\900x=301\qquad\text{divide both sides by 900}\\\\x=\dfrac{301}{900}[/tex]

Answer Link
Аноним Аноним
  • 17-07-2019

Answer:

301/900.

Step-by-step explanation:

0.33 = 33/100

44.44444,, = 44/99

So 0.004444...

= 44/9900

33/100 + 44/9900

301/900

Answer Link

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