A:
[tex]\frac{1}{10}[/tex] is [tex]0.1[/tex] in decimal form.
To find the product of two numbers, we multiply them together. So, [tex]918.642*0.1=91.8642[/tex]. (In fraction form, it's [tex]\frac{459321}{5000}[/tex])
B:
[tex]\frac{91.8642}{1.5}=61.2428[/tex] (In fraction form, it's [tex]\frac{153107}{2500}[/tex])