a. 124.8*100 =12480
b. 12.2-3.5 = 8.7 3*0.2 = 0.6 8.7+0.6 = 9.3
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a. 124.8*100 =12480
b. 12.2-3.5 = 8.7 3*0.2 = 0.6 8.7+0.6 = 9.3
b) (12.2 - 3.5 ) + ( 3 x 0.2 )
= 8.7 + 0.6
= 9.3