9.3: Which is more economical + Scientific Notation
9.3: Which is more economical + an explanation of scientific notation on the Ti-83/Ti-84
So, purchasing the regular size is more economical because the regular size costs $0.0009 less per gram.
For more refreshers on scientific notation, see
https://www.mathsisfun.com/numbers/scientific-notation.html (scroll down for examples of negative exponents)



