A rectangular prism has a length of 5 cm, a width of 2 1/2cm and a height of 1 1/2 cm Which expressions can be used to find the volume of the prism?




Select each correct answer.




5∙2 1/2∙1 1/2

12 1/2∙1 1/2

1 1/2(5+2 1/2)

1/2(12 1/2∙1 1/2)