If the denominator of a fraction in lowest form is (5^3), after how many decimal places will the decimal expansion terminate?
Answer and explanation
Correct answer: (3)
Step 1: (5^3=125). Step 2: To make (125) into (1000), multiply by (8), so there are (3) decimal places. Step 3: Exam tip: A (5^n) denominator usually gives (n) decimal places.
Frequently asked questions
What is the correct answer to this question?
(3)
Why is this the correct answer?
Step 1: (5^3=125). Step 2: To make (125) into (1000), multiply by (8), so there are (3) decimal places. Step 3: Exam tip: A (5^n) denominator usually gives (n) decimal 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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