The number 256 in both exponent and expanded form

What is the value of the digit 1 in the number 13?

Tom had a total of $220 and he spent $35 on a basketball ticket . what percent of his money did he have left?

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