Convert 124.042 to Base 10​

In simplified exponential notation, the expression a^2•a^-3•a 1/a 0

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.

The ph level of a blueberry is 3.1 what is the hydrogen-ion concentration [h+] for the blueberry