Question

How many proper subsets does the set I_{4} metric units of length, have? L={mm, cm, m, km}Select the correct answer below:(a)10(b)4(c)20(d)15

Answer 1

Given a set S, a proper subset of S is a subset of S that is not equal to S.

To determine the number of subsets of any particular set, we use the formula below:

`2^{n\text{ }}where\text{ n is the number of elements in the set.}`

In the given set: