There are so many ways one can't hope to even begin listing them, but here are some obvious ones:
Chat with our AI personalities
you use it in a factor tree, and adding, as for everyday use, we dont use it too much.
well if you are a teacher or somebody who does math for a living then you probably need to know it.
It is possible to live a long and productive life without ever multiplying a negative number outside of a classroom.
A power of 2. In the decimal system, we use powers of 10, in the binary system, powers of 2. Other number system use some other number as their base; for example, hexadecimal (base-16) uses powers of 16.
You'd use them in a lot of career fields like Physics (Aerodynamics, Audio systems, Optics, and otherwise), Chemistry (specifically different types of analysis), Biochemistry, Circuitry, and Molecular studies.