Find the rationalizing factor of 3-√5​

Which term best describes the association between variables a and b? no association a negative linear association a positive linear association a nonlinear association a scatterplot with an x axis labeled, variable a from zero to ten in increments of two and the y axis labeled, variable b from zero to one hundred forty in increments of twenty with fifteen points in a positive trend.

Standard deviation of 19,29,21,22,23

45 was divided by a power of ten to get 4.5. what power of ten was it divided by? people 4.5