Question
T UULIOL Write the decimal expansion of the following using prime factorisation : 327 0 35 17 (ii) (iii) 16 8 500
Solution 35 35x54 35x625
(1) 1674x54 (10)
4
21875
10000
1875
(6)
17 17x5°  17x125_2125 – 2 125
8 * 23x53 (10)3 1000
327 327 327 327x2 _ 654 = 0.654
500 5x5x5x2x253x2253x23 (10)3
20
(10)3 = 0.654
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