How do you write 22,859,968 in expanded notation

Draw a tape diagram to represent each situation.for some of the situations,you need to decide what to represent with a variable andre bakes 9 pans of brownies.he donates 7 pans to the school bake sale and keeps the rest to divide equally among his class of 30 students

Is it greater than or less than7*3_9*2

What is 0.000008 meters in scientific notation