Tyler knows that the distance around a running track is 400 meters. Beth, Tyler's sister, decides to measure the running track with a meter stick and only gets 392 meters. Her measurement might be off because a track is circular, while a meter stick is straight. What is the percent error of Beth's measurement

the law of definite proportions states samples of a compound will always contain the same proportion of elements by mass. in other words, a given compound will always contain the same elements in the same proportions by mass.the law of multiple proportions states when two elements combine with each other to form more than one compound, then the weights of one element that combine with a fixed weight of the other are in a ratio of small whole numbers.