Write down all the subsets of {q,r,s}.

{q, r, s} consists of 3 elements, so there are 2³ = 8 possible subsets.

• empty set: { }

• every possible singleton set: {q}, {r}, {s}

• every possible pair: {q, r}, {q, s}, {r, s}

• the set itself: {q, r, s}

Step-by-step explanation:

Given

Required

Select an equivalent expression

Simplify the power

Apply law of indices:

Express decimal as fractions