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Class 10MathematicsReal NumbersDecimal expansion of rational numbersMediumLevel 21
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If the denominator of a fraction in lowest form is (3125), after how many places will the decimal expansion terminate?

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Answer and explanation

Correct answer: (5) places

Step 1: (3125=5^5). Step 2: The denominator has only (5), so the decimal terminates. Step 3: Since the exponent of (5) is (5), it terminates after (5) places.

Related tags

Powers Of FiveTerminating DecimalDecimal Places

Frequently asked questions

What is the correct answer to this question?

(5) places

Why is this the correct answer?

Step 1: (3125=5^5). Step 2: The denominator has only (5), so the decimal terminates. Step 3: Since the exponent of (5) is (5), it terminates after (5) places.

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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  3. 3Under what condition does (\frac{p}{q}) have a terminating decimal expansion when the fraction is in lowest form?
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  5. 5After at most how many decimal places will the decimal expansion of (\frac{7}{16}) terminate?
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  7. 7Which of the following fractions will give a terminating decimal?
  8. 8Which of the following fractions will give a non-terminating recurring decimal?
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