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If (p=2^a\times3^2\times5) and (p=720), what is the value of (a)?
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Answer and explanation
Correct answer: 4
Step 1: Prime factorise 720. Step 2: (720=72\times10=2^4\times3^2\times5). Step 3: Comparing with the given form gives (a=4).
Frequently asked questions
What is the correct answer to this question?
4
Why is this the correct answer?
Step 1: Prime factorise 720. Step 2: (720=72\times10=2^4\times3^2\times5). Step 3: Comparing with the given form gives (a=4).
Which subject and chapter does this question cover?
This is a Class 10 Mathematics question. Chapter: Real Numbers. Topic: Fundamental Theorem of Arithmetic.
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