Use scientific notation to express the diameter of a human hair that measures 0.0018 centimeters. a) 1.8 x 10-3 b) 1.8 x 10-4 c) 1.8 x 103 d) 1.8 x 104

Astraight water slide is 175 feet above ground and is 200 feet long. what is the angle of depression to the bottom of the slide?

28 x 12 + 34 = ? it's for a test that if i fail on i will not proceed into the honor roll society i always dreamed of!me! worth 50 !

(c) a vine called the mile-a-minute weed is known for growing at a very fast rate. it can grow up to 0.5 ft per day. how fast in inches per hour can the mile-a-minute weed grow up to? show your work using the correct conversion factors.