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+1 vote
39.8k views
in Mathematics by (106k points)

A rational number in its decimal expansion is 327.7081. What can you say about the prime factors of q, when this number is expressed in the form p/q ? Give reasons.​

1 Answer

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Best answer

Solution:
327.7081 = 3277081/10000 = 3277081 / 24 x 5= p/q
Here, q is of the form 2m × 5n, where m and n are natural numbers.
The prime factors of p and q will be either 2 or 5 or both.

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