7.8 x 10^3 in standard form.

Which expression is equivalent to sq-80

What is the measure of angle tvu shown in the diagram below

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.