Always use significant figure rules. remember that these rules apply to all numbers that are measurements. a person walks along a road 2 miles and rests. then taking another road, he travels 3.000 miles; and switching to a dirt path, he walks 2.00 miles before arriving at his destination. determine the total distance the person walks. a. 7 miles b. 7.0 miles c. 7.00 miles

If it takes a planet 2.8 x 10^8 s to orbit a star with a mass of 6.2 x 10^30 kg what is the average distance between the planet and the star

The solar panels used by mark function because of the photoelectric effect. light shines on the cells causing electrons to be ejected from the metal, which produces an electric current. at night on mars, no light will fall on the solar cells and no electric current will be generated. according to your notes, what type of light is typically needed to cause the photoelectric effect? a)visible b)ultraviolet c)infrared

Gather reliable information to brent make his decision. to gather this information, use newspapers, call insurance companies or look at their web sites, and review consumer magazines and web sites. also, look at the manufacturer web site or for information about gas mileage. list the sources you use and take notes.