What property of real numbers be for 9/4 • 4/9=1

That would be the inverse property of multiplication. What the inverse property says is that, for every real number , there is some special number out there called the multiplicative inverse, which has the property that

In this case, and its inverse

Given

Step-by-step explanation:

A firefighter needs to carry an LED flashlight, a knife or axe, a wax pencil. Every firefighter will put these to use regularly. Two other essential items are dust masks and earplugs. In addition to this they require fire protective gear and clothes.

The angle of the ladder is suitable to be around 75° for rescue operations and for firefighters to climb and perform tasks effectively.

Hope this is helpful..