> runif(1)    # generates 1 random number
[1] 0.3984754

> runif(3)    # generates 3 random number
[1] 0.8090284 0.1797232 0.6803607

> runif(3, min=5, max=10)    # define the range between 5 and 10
[1] 7.099781 8.355461 5.173133