Help me with this please

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.

What is the simplified form of (3.25x10^3)(7.8x10^6) written in scientific notation?

Put the following steps for calculating net worth in the correct order