What is the yintercept of the function, represented by the table of values
below?

In simplified exponential notation, the expression a^2•a^-3•a 1/a 0

Idon’t understand this.. will someone ? will mark brainliest along with 20 points.

Suppose that one doll house uses the 1 inch scale, meaning that 1 inch on the doll house corresponds to 1/2 foot for life-sized objects. if the doll house is 108 inches wide, what is the width of the full-sized house that it's modeled after? in inches and feet.