2) Gia leaned that the mass of an electron is about 99014 10 kilograms while the mass et a proton is about 1.3726 X 10" clograms. Compare the mass of an electron with the mass of
a proton. Which is larger? By how many times

Andy wants to find the distance d across a river. he located points as shown in the figure, then use similar triangles to find that d = 223.5 feet. how can you tell without calculating that he must be wrong? tell what you think he did wrong and correct his error. round your answer to the nearest tenth if necessary. andy must have used the wrong . the distance d is actually feet.