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Write the repeating decimal as a fraction.\newline.944944944.944944944

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Q. Write the repeating decimal as a fraction.\newline.944944944.944944944
  1. Rephrase Problem: Let's first rephrase the "How can the repeating decimal 0.9449449440.944944944\ldots be expressed as a fraction?"
  2. Identify Repeating Part: Identify the repeating part of the decimal. The digits "944944" repeat indefinitely, so we can write the decimal as 0.9449449440.944944944\ldots
  3. Set Equation: Let's set xx equal to the repeating decimal: x=0.944944944x = 0.944944944\ldots
  4. Multiply by 10001000: To isolate the repeating part, we can multiply xx by 10001000, because there are three digits in the repeating sequence. This gives us 1000x=944.9449449441000x = 944.944944944\ldots
  5. Subtract Original: Now, subtract the original xx from 1000x1000x to get rid of the decimal part: 1000xx=944.944944944...0.944944944...1000x - x = 944.944944944... - 0.944944944...
  6. Perform Subtraction: Perform the subtraction: 999x=944999x = 944
  7. Solve for x: Now, solve for x by dividing both sides of the equation by 999999: x=944999x = \frac{944}{999}
  8. Check for Simplification: Check if the fraction can be simplified. The numbers 944944 and 999999 do not have any common factors other than 11, so the fraction is already in its simplest form.

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