Question

Write the expression as one fraction with postive exponents.

4y^1/2+y^-1/2

Answer 1

5y^(1/2). First, multiply the 4y^(1/2) by y^-(1/2) to get ge tthe same denominator. this gives 5*y^-(1/2). multiply by 1: (y^(1/2))/(y^(1/2)). htat gives you the answer with the positive exponent.