Find the product using suitable properties :-

a) 62 x 199
b) 115 x ( -98 ) 
c) 325 x ( -204 )
d) 109 x ( -12 )

Dear student,
(a)   62 x 199
 = 62 x (200-1)
 = (62 x 200) - (62 x 1)
 = 12400-62
 = 12338
Kindly post other questions in separate thread.
Regards

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