Can you show the work for 18 divided by 0.18 what are the steps what do you do first

Abag of popcorn contains 483 calories and servers 3.5 people. how many calories are in each serving.

Bismuth-210 is an isotope that radioactively decays by about 13% each day, meaning 13% of the remaining bismuth-210 transforms into another atom (polonium-210 in this case) each day. if you begin with 233 mg of bismuth-210, how much remains after 8 days?

Terri makes a quilt using three sizes of fabric squares the side lenght of each fabric square is the square root of the area