Alejandro wrote the number 6,240,000 in scientific notation. Which number did he write?

Answer this question! 30 points and brainliest!

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 in pounds, w, of the contents that liz will ship to her friend if she must use a medium flat-rate box. use the drop-down menus to explain your answer.

Assume that y varies inversely with x. if y=1.6 when x=0.5 find x when y=3.2