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What is the correct prime factorisation of 84?
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Answer and explanation
Correct answer: (2^2\times3\times7)
Step 1: Write (84=4\times21). Step 2: (4=2^2) and (21=3\times7), so (84=2^2\times3\times7). Step 3: Do not keep 4 and 21 in the final answer.
Frequently asked questions
What is the correct answer to this question?
(2^2\times3\times7)
Why is this the correct answer?
Step 1: Write (84=4\times21). Step 2: (4=2^2) and (21=3\times7), so (84=2^2\times3\times7). Step 3: Do not keep 4 and 21 in the final answer.
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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