The metric system is based on powers of 10. For example, one kilometer is equal to 1,000 meters or 103 meters. Write each measurement in meters as a power of 10.
a. hectometer (100 meters)
b. megameter (1,000,000 meters)
c. gigameter (1,000,000,000 meters)
d. petameter (1,000,000,000,000,000 meters)

Any is very appreciated! (picture is provided below)not sure how to do this at all won't lie

Bradley hikes 12 miles in 3 hours. in relation to bradley’s hike, which statement describes the expression

The boiling point of water at an elevation of 0 feet is 212 degrees fahrenheit (°f). for every 1,000 feet of increase in elevation, the boiling point of water decreases by about 2°f. which of the following represents this relationship if b is the boiling point of water at an elevation of e thousand feet? a) e = 2b - 212 b) b = 2e - 212 c) e = -2b + 212 d) b = -2e + 212