Which of the following expressions is written in scientific notation? 0.2 × 10^-5 31.4 × 10^4 13 × 10^4 1 × 10^-3

1. what is the phythaforean theorem? 2.what do we use it for? 1.what is the distance formula ? 2.what do we use it for?

Aman is 6 feet 3 inches tall. the top of his shadow touches a fire hydrant that is 13 feet 6 inches away. what is the angle of elevation from the base of the fire hydrant to the top of the man's head?

Write an inequality and solve each problem.for exercises 11 and 12, interpret the solution.