Respuesta :

[tex]\boxed{\underline{\blue{\textrm{Area of Rectangle = l × b}}}}[/tex]

  • Length of rectangle = 3x⁴
  • width of Rectangle = 5x⁵

Area = 3x⁴ × 5x⁵

Area of rectangle = 15x⁹

Answer:

Area of rectangle = 15x⁹