<P> The properties for the multiplicative inverse state: </P> <Ul> <Li> For any non-zero real numbers a and b that are both positive or both negative: <Ul> <Li> If a ≤ b, then 1 / a ≥ 1 / b . </Li> <Li> If a ≥ b, then 1 / a ≤ 1 / b . </Li> </Ul> </Li> <Li> If one of a and b is positive and the other is negative, then: <Ul> <Li> If a <b, then 1 / a <1 / b . </Li> <Li> If a> b, then 1 / a> 1 / b . </Li> </Ul> </Li> </Ul> <Li> For any non-zero real numbers a and b that are both positive or both negative: <Ul> <Li> If a ≤ b, then 1 / a ≥ 1 / b . </Li> <Li> If a ≥ b, then 1 / a ≤ 1 / b . </Li> </Ul> </Li> <Ul> <Li> If a ≤ b, then 1 / a ≥ 1 / b . </Li> <Li> If a ≥ b, then 1 / a ≤ 1 / b . </Li> </Ul>

When do you use the less than or equal to sign