Sorry but i need help again. but GO WATCH CORALINE!!

Diana is painting statues. she has 7/8 of a liter of paint remaining. each statue requires 1/20 of a liter of paint.how many statues can she paint? yeah dad i added the cup to the door now will you stop emailing me while im doing my homework.(lmbo xd i just realized this wooow)

How do i get my dad to stop making me gargle his pickle i want my mom to gargle my pickle not my dads

Determine the difference: 3.2 × 1010 – 1.1 × 1010. write your answer in scientific notation.