So we want to know the product of 0.0000012 and 3.65*10^8 in the scientific form. First we turn 0.0000012 to scientific form: 0.0000012=1.2*10^-6. Now we multiply: (1.2*10^-6)*(3.65*10^8)=1.2*3.65*(10^-6)*(10^8)=4.38*10^(-6+8)= 4.38*10^2. So the correct product is 4.38*10^2.
