0 reads0 ratings0 helpful
How many trailing zeros will (2^5 \times 5^3) have?
Advertisement
Answer and explanation
Correct answer: 3
Step 1: A trailing zero is made by one pair of (2) and (5). Step 2: The exponent of (2) is (5) and of (5) is (3), so (3) pairs are possible. Step 3: For trailing zeros, choose the smaller exponent.
Frequently asked questions
What is the correct answer to this question?
3
Why is this the correct answer?
Step 1: A trailing zero is made by one pair of (2) and (5). Step 2: The exponent of (2) is (5) and of (5) is (3), so (3) pairs are possible. Step 3: For trailing zeros, choose the smaller exponent.
Which subject and chapter does this question cover?
This is a Class 10 Mathematics question. Chapter: Real Numbers. Topic: Prime Factorisation.
Student feedback
Was this question useful?
Was this question useful?
👍 0 Helpful 👎 0 Not helpful
Difficulty
Easy0%
Medium0%
Hard0%
Was the explanation clear?
Yes 0% No 0%
0 responsesStudent Reviews
No published reviews yet.
Advertisement