Lesson 21 scientific notation, two statements of equality
Study lesson 21 A & B including the practice
Homework: problem set 21; 1 through 25.
Videos may help
https://youtu.be/xYKce1ubAGg?si=FctbQY66UMiJKXJP by Scott Clifton
https://youtu.be/EyfecvoLuf8?feature=shared by Alise Weber