Question

What is the value of 11x^-3 y^-1 for x=-1 and y=2

Answer 1

Answer:

  -11/2

Step-by-step explanation:

Put the numbers into the expression and do the arithmetic.

  $11(-1)^{-3}2^{-1}=\dfrac{11}{(-1)^3}\cdot\dfrac{1}{2^1}=\dfrac{-11}{2}$