Question

Which of the following has a terminating decimal expansion? 32/91 19/80 25/42 23/45

Answer 1

Answer:

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Step-by-step explanation:

(b) 19/80 19/80 = 19/24 x 5 We know 2 and 5 are not factors of 19, so it is in its simplest form. And (24 × 5) = (2m × 5n ) Hence, 19/80 is a terminating decimal.

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