When to use heisenberg indeterminacy?

[Mekenna Faulkner]

I understand the concept of heisenberg indeterminacy being used to find essentially the range in which the object this, but when exactly do you use this, aside from when you are told to use it?

[Hanyi Jia 3B]

Heisenberg's indeterminacy basically talks about how there is only a limited amount of preciseness for a particles' momentum and position at the same time.
So commonly you are provided a measurement of mass/velocity/distance that has an uncertainty followed, and the questions ask about what is the minimum uncertainty in the other factor of this equation. I feel it should be easy to realize when to use it because of the idea of maxima and inequation.
Remember that the uncertainty is the value being +/- times 2.

[Carlie_Dorostkar_1A]

How was the uncertainty range of +/- times 2 determined? Is that the standard for all calculations? The more precise position is the less accurate momentum can be measured and vice versa. If one is very precise or they are equally precise does that affect the range that was stated previously?

[Caitlin Beale 3E]

From my understanding of this topic, Heisenberg's indeterminacy equation is used as a form of experimental error to explain different outcomes of percent yield for example.

[Bailey Wallace 3A]

How was the uncertainty range of +/- times 2 determined? Is that the standard for all calculations? The more precise position is the less accurate momentum can be measured and vice versa. If one is very precise or they are equally precise does that affect the range that was stated previously?

I am also wondering how they determine the range?