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What is the correct prime factorisation of 28?
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Answer and explanation
Correct answer: (2^2\times7)
Step 1: Write (28=4\times7). Step 2: Since (4=2^2), (28=2^2\times7). Step 3: In the final answer, write (2^2) instead of 4.
Frequently asked questions
What is the correct answer to this question?
(2^2\times7)
Why is this the correct answer?
Step 1: Write (28=4\times7). Step 2: Since (4=2^2), (28=2^2\times7). Step 3: In the final answer, write (2^2) instead of 4.
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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