Which fraction has a decimal expansion that goes exactly up to three decimal places?
Answer and explanation
Correct answer: (\frac{7}{200})
Step 1: (200=2^3\times5^2). Step 2: The larger exponent is (3), and (\frac{7}{200}=0.035), so it has exactly three places. Step 3: When exact places are asked, verify by writing the decimal.
Frequently asked questions
What is the correct answer to this question?
(\frac{7}{200})
Why is this the correct answer?
Step 1: (200=2^3\times5^2). Step 2: The larger exponent is (3), and (\frac{7}{200}=0.035), so it has exactly three places. Step 3: When exact places are asked, verify by writing the decimal.
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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