If a fraction in lowest form has denominator (200), after at most how many decimal places will its decimal expansion terminate?
Answer and explanation
Correct answer: (3) places
Step 1: (200=2^3\times5^2). Step 2: The larger exponent is (3), so the decimal terminates within (3) places. Step 3: For the number of decimal places, use the larger exponent of (2) and (5).
Frequently asked questions
What is the correct answer to this question?
(3) places
Why is this the correct answer?
Step 1: (200=2^3\times5^2). Step 2: The larger exponent is (3), so the decimal terminates within (3) places. Step 3: For the number of decimal places, use the larger exponent of (2) and (5).
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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