What is the value of 12x^-3y^1 for x=-1and y=5?

Answer 1

Substituting x=-1 and y=5 into the expression 12x^-3y^1, we get:

12(-1)^-3(5)^1

= 12(-1/1,000)(5)

= -0.06

Therefore, the value of 12x^-3y^1 for x=-1 and y=5 is -0.06.