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ICSE Class 8 Answered

Answer
Asked by khatabassum020 | 20 Aug, 2020, 07:25: PM
Expert Answer
To fidn square of the numbers:
(i) 14
142 = 14 x 14 = 196
 
(ii) 137
1372 = (140 - 3)2 = 1402 - 2x140x3 + 32 = 19600 + 9 - 840 = 19609 - 840 = 18769
 
(iii) 4/17
(4/17)2 = 42/172 = 16/289
 
(iv) 2 3/4
2 3/4 = 11/4
(11/4)2 = 121/16
 
(v) 0.01
(0.01)2 = 0.0001
 
(vi) 1.2
(1.2)2 = 1.44
 
(vii) 0.17
(0.17)2 = 0.0289
 
(viii) 4.6 
(4.6)2 = 21.16
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