What type of decimal expansion will (\frac{18}{999}) have?
Answer and explanation
Correct answer: Non-terminating recurring
Step 1: (\frac{18}{999}=\frac{2}{111}). Step 2: (111=3\cdot 37), which has factors other than (2) and (5). Therefore the decimal is non-terminating recurring. Step 3: Fractions from recurring decimals often have denominators made from (9)'s.
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What is the correct answer to this question?
Non-terminating recurring
Why is this the correct answer?
Step 1: (\frac{18}{999}=\frac{2}{111}). Step 2: (111=3\cdot 37), which has factors other than (2) and (5). Therefore the decimal is non-terminating recurring. Step 3: Fractions from recurring decimals often have denominators made from (9)'s.
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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