Question

How do you evaluate `\frac { 1} { ( - 2) ( 5) ^ { - 1} }`?

Answer 1

`-5/2` or `-2.5`

Explanation:

So the original equation is: `1/((-2)(5)^-1)`

`1/5^-1` is the same thing as `5`. So now it looks like this:
`-5/2`, which is the same as `-2.5`