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What is the correct prime factorisation of 45?
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Answer and explanation
Correct answer: (3^2\times5)
Step 1: Write (45=9\times5). Step 2: Since (9=3^2), (45=3^2\times5). Step 3: 9 is composite, so write (3^2) in the final form.
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What is the correct answer to this question?
(3^2\times5)
Why is this the correct answer?
Step 1: Write (45=9\times5). Step 2: Since (9=3^2), (45=3^2\times5). Step 3: 9 is composite, so write (3^2) in the final form.
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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