What is the area of a square that has sides measures 8.6 centimeters]

How do i get the answer for 2/3 * 10/3

Negative 5 1/12 + negative 4 1/4 + 6 3/4

Tyler enjoys the fish so much that after his birthday his family decides to take him to a famous aquarium a tank at the aquarium is similar to his tank with the scale factor of 8 how many times greater is the volume of the tank at the aquarium than the volume of tyler tank