NEED HELP
Fraction and percentage question

Choose all answers that apply: a) ab and a’b’ are one the same line. b) quadrilaterals abcd and a’ b’ c’ d’ have the same perimeters. c) points a and a’ have the same coordinates. d) none of the above

Brent wants to know what is 5 x 1/2

Which expression do you get when you eliminate the negative exponents of 4a^2 b^216a^-3 b