Need to now how to write 6,392,094.003

Liz is shipping a package to her friend. the maximum weight of a medium flat-rate box is 20 pounds, including the box which weighs 6 ounces. write and solve an inequality to describe the possible weight ,w, of the contents that liz will ship to her friend if she must use a medium flat-rate box.

Plz hurry evaluate the expression a+b where a=8 and b=19

What is the solution to the equation e3x=12? round your answer to the nearest hundredth