After how many places will the decimal expansion of (\frac{144}{320}) terminate?
Answer and explanation
Correct answer: (2)
Step 1: (\frac{144}{320}) simplifies by (16) to (\frac{9}{20}). Step 2: Since (20=2^2\times5), the larger exponent is (2). Step 3: Exam tip: Decide decimal places from the denominator in lowest form.
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What is the correct answer to this question?
(2)
Why is this the correct answer?
Step 1: (\frac{144}{320}) simplifies by (16) to (\frac{9}{20}). Step 2: Since (20=2^2\times5), the larger exponent is (2). Step 3: Exam tip: Decide decimal places from the denominator in lowest form.
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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