Question

Hello plllzzxx help me if u want to be on the brinlybored

Answer 1

13. Expanded Form: 9 x 9 Value: 81

15. Expanded Form:
`(3)/(4)` x
`(3)/(4)` Value: 1
`(1)/(2)`

17. Expanded Form: 1 x 1 x 1 x 1 Value: 4

19. Expanded Form: -5 x -5 Value: -25