Question

simplify : ( 2–¹ x 5–¹ )–¹ ÷ 4–¹​

Answer 1

Answer:

(2$x^{-1}$*5$x^{-1}$)$x^{-1}$ / 4$x^{-1}$

(30$x^{-1}$)$x^{-1}$ / 4$x^{-1}$

30 / 4$x^{-1}$

30/4

15/2

Answer 2

Answer:

Answer is 15/2

and of you want to answer in point

then it is 7.5