The lesson on Youtube
https://www.youtube.com/watch?v=x0JxV-tsdLQ
Questions
https://static1.squarespace.com/static/61de416a3e2596709a9237f6/t/6879a375520b7a4558096466/1752802165501/W4s+negative+exponents.pdf
Solution
https://static1.squarespace.com/static/61de416a3e2596709a9237f6/t/6879a38064c2b737587cd7fd/1752802176631/W4t+negative+exponents.pdf