Help ill give u lots of points dude

In exponential growth functions, the base of the exponent must be greater than 1,how would the function change if the base of the exponent were 1? how would the fiction change if the base of the exponent were between 0and 1

9/10 divide by -3/15 as a mixed number

What are the coordinates of the point that is 1/3 of the way from a to b? a (2,-3) b (2,6)