Write each of the following numbers in usual form:
(i) 2.06x10-5
(ii) 5 x10-7
(iii) 6.82 x 10-6
(iv) 5.673x10-4
(v) 1.8 x10-2
(vi) 4.129 x10-3
(i) 2.06 × 10-5 = 
(ii) 5 × 10-7 = 
= 0.0000005
(iii) 6.82 × 10-6 = 
(iv) 5.673 × 10-4 = 
(v) 1.8 × 10-2 = 
= 0.018
(vi) 4.129 × 10-3 = 
= 0.004129
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