After simplifying (\frac{49}{140}), what type of decimal expansion will it have?
Answer and explanation
Correct answer: Non-terminating recurring
Step 1: (\frac{49}{140}=\frac{7}{20}). Step 2: The reduced denominator is (20=2^2\times5), which has only (2) and (5). Step 3: Therefore the decimal expansion is terminating.
Frequently asked questions
What is the correct answer to this question?
Non-terminating recurring
Why is this the correct answer?
Step 1: (\frac{49}{140}=\frac{7}{20}). Step 2: The reduced denominator is (20=2^2\times5), which has only (2) and (5). Step 3: Therefore the decimal expansion is terminating.
Which subject and chapter does this question cover?
This is a Class 10 Mathematics question. Chapter: Real Numbers. Topic: Decimal expansion of rational numbers.
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