Sarah was playing a computer trivia game. her scores for round one were +100,+200,+500,-300,+400,-500. write an addition expression, using commutative property, to find her total score at the end of round one.

i'm not sure of the equation but the answer of the equation above would be 400

an advantage of the standard deviation is that it increases as the dispersion of the data increases. e. the interquartile range is preferred when the data are not skewed or no have outliers. an advantage of the standard deviation is that it uses all the observations in its computation.

idk

step-by-step explanation:

use that smart brain