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If (2450=2\times5^m\times7^2), what is the value of (m)?
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Answer and explanation
Correct answer: 2
Step 1: (2450=2\times1225). Step 2: (1225=5^2\times7^2), so (2450=2\times5^2\times7^2). Step 3: Comparing with the given form gives (m=2).
Frequently asked questions
What is the correct answer to this question?
2
Why is this the correct answer?
Step 1: (2450=2\times1225). Step 2: (1225=5^2\times7^2), so (2450=2\times5^2\times7^2). Step 3: Comparing with the given form gives (m=2).
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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