Question

let x = 7/20×25
be a rational number . then x has decimal expansion which terminates.
(a) after four places of decimal.
(b) after three places of decimal.
(c) after two places of decimal .
(d) after five places of decimal.​

Answer 1

Answer:

c) after two places of decimal.

Step-by-step explanation:

$x = \frac{7}{20} \times 25 \\ \\ x = \frac{7}{4} \times 5....(by \: dividing \: 5) \\ x = \frac{35}{4} \\ therefore \: \: x = 8.75$

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