The product means multiplication. So we are going to set up an equation.
0.056*0.73=x
Now we are going to solve for x by using a calculator to solve this equation.
0.056*0.73=0.04088
So when typed into a calculator our answer would be A. 0.04088.
I hope that helps. If you have any other questions on this or any other questions, just ask. I am here to help.