Answering This Equation with All Positive Exponenents

Question

I have the following equation on me test:

 

b^-1 xy + y^-1 b²

 

What is the answer to this equation if you write it with all the exponents positive?

Answer 1

James, remember that a negative exponent means we flip the fraction and turn the exponent positive. x^-4 = 1/x⁴ and 1/x^-6 = x⁶.

 

b^-1xy + y^-1b² = xy/b + b²/y

 

Is that all you need?