What type of decimal expansion will (\frac{56}{180}) have?
Answer and explanation
Correct answer: Non-terminating recurring
Step 1: (\frac{56}{180}) simplifies by (4) to (\frac{14}{45}). Step 2: Since (45=3^2\times5), the denominator still contains (3). Step 3: Exam tip: Even if (5) is present, a remaining factor (3) makes the decimal recurring.
Frequently asked questions
What is the correct answer to this question?
Non-terminating recurring
Why is this the correct answer?
Step 1: (\frac{56}{180}) simplifies by (4) to (\frac{14}{45}). Step 2: Since (45=3^2\times5), the denominator still contains (3). Step 3: Exam tip: Even if (5) is present, a remaining factor (3) makes the decimal recurring.
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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