Simplify the expression. write the answer using scientific notation.

astronomers measure large distances in light-years. one light-year is the distance that light can travel in one year, or approximately 5,880,000,000,000 miles. suppose a star is 15.8 light-years from earth. in scientific notation, how many miles away is it?

The table below shows the number of free throw shots attempted and the number of shots made for the five starting players on the basketball team during practice. each player's goal is to make 80% of her shots. players number of free throws made free throw attempts kelly 16 20 sarah 25 30 maggie 31 40 liz 44 50 kim 47 60 how many players made at least 80% of their shots? round to the nearest percent.