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If (15840=2^a\times3^2\times5\times11), what is the value of (a)?
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Answer and explanation
Correct answer: 5
Step 1: (15840=32\times495). Step 2: (32=2^5) and (495=3^2\times5\times11), so the power of 2 is 5. Step 3: Comparing gives (a=5).
Frequently asked questions
What is the correct answer to this question?
5
Why is this the correct answer?
Step 1: (15840=32\times495). Step 2: (32=2^5) and (495=3^2\times5\times11), so the power of 2 is 5. Step 3: Comparing gives (a=5).
Which subject and chapter does this question cover?
This is a Class 10 Mathematics question. Chapter: Real Numbers. Topic: Prime Factorisation.
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