hello plllzzxx help me if u want to be on the brinlybored
13. Expanded Form: 9 x 9 Value: 81
15. Expanded Form: [tex]\frac{3}{4}[/tex] x [tex]\frac{3}{4}[/tex] Value: 1 [tex]\frac{1}{2}[/tex]
17. Expanded Form: 1 x 1 x 1 x 1 Value: 4
19. Expanded Form: -5 x -5 Value: -25