Question

2. Express each of the following decimals in the rational form P 9 (i) 0.9 (ii) 0.57 (iii) 0.729 (iv) 12.28
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Answer 1

Answer:

a) anything with 0. in front is /10 ( if it is a single digit number) which is 9/10 is the answer

b) its 0. so the ans is 57/100 (100 because 57 is a double digit number it is 100).

c) its 0. so the ans is 729/1000 (1000 because its a triple digit number).

d) 12.28 × 100

1 × 100 = 1228/100

= 307/25

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