If the denominator of a fraction in lowest form is (2^7\times5^3), after how many places will the decimal expansion terminate?
Answer and explanation
Correct answer: (7) places
Step 1: The number of places in a terminating decimal is decided by the larger exponent of (2) and (5). Step 2: Here the larger exponent is (7). Step 3: Therefore the decimal terminates after (7) places.
Frequently asked questions
What is the correct answer to this question?
(7) places
Why is this the correct answer?
Step 1: The number of places in a terminating decimal is decided by the larger exponent of (2) and (5). Step 2: Here the larger exponent is (7). Step 3: Therefore the decimal terminates after (7) 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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