(5)8.6×2.7+3.5×1.6 (6)(0.19×5.4+2.6×0.19)×12.5 (7)9.99×2.22+3.34×3.33 (8) What is the sum of 1.2 divided by the quotient of 4.2 and the product of 5 and 6.02? Multiple simple operations

(5)8.6×2.7+3.5×1.6 (6)(0.19×5.4+2.6×0.19)×12.5 (7)9.99×2.22+3.34×3.33 (8) What is the sum of 1.2 divided by the quotient of 4.2 and the product of 5 and 6.02? Multiple simple operations

(5)8.6×2.7+3.5×1.6=(10-1.4)×2.7+3.5×1.6=10×2.7-1.4×2.7+7×0.8=27-1.4×2.7+1.4×4=27+1.4×(4-2.7)=27+1.4×1.3=27+1.82=28.82(6)(0.19×5.4+2.6×0.19)×12.5 =0.19×(5.4+2.6)×12.5=0.19×...