For which of the following situations would a repeated-measures design be appropriate? a. Comparing mathematical skills for girls versus boys at age 10
b. Comparing customer service performance before and after a training seminar
c. Comparing verbal solving skills for science majors versus art majors
d. Comparing self-esteem of student athletes versus those who do not play sports.

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.

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The decimal expansion would be .27 repeated