Math Problem Statement
Solution
The problem in the image asks to convert the fraction to a decimal and choose the correct answer, with the options provided.
Step 1: Convert the fraction to a decimal
To convert to a decimal, divide 4 by 7:
This decimal is repeating with a pattern of "571428".
Step 2: Rounding the decimal
Since the question specifies to choose the one with the correct digits after rounding, we need to round the decimal accordingly:
- 0.571 when rounded to three decimal places.
- 0.5714 when rounded to four decimal places.
Conclusion
The correct answer that corresponds to the repeating decimal and matches the rounding would be 0.571 when rounded to three decimal places.
Answer:
- Option C: 0.571 is the correct answer.
Would you like any further details or explanations?
Here are five related questions to expand your understanding:
- How do you convert a repeating decimal back into a fraction?
- What is the decimal representation of the fraction ?
- Why do some fractions have repeating decimals, while others do not?
- How would you express (repeating) as a fraction?
- How do you determine the number of digits in the repeating sequence of a fraction?
Tip: To identify whether a fraction will have a repeating or terminating decimal, check if the denominator has only the prime factors 2 and 5. If it does, the decimal will terminate; otherwise, it will repeat.
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Math Problem Analysis
Mathematical Concepts
Fractions
Decimals
Repeating Decimals
Formulas
Division of numerator by denominator
Theorems
Division Theorem
Suitable Grade Level
Grades 5-7