please help

Use the following set definitions to specify each set in roster notation. Except were noted, express elements as Cartesian products as strings.

• A = {a}
• B = {b, c}
• C = {a, b, d}

(e)

(C B) (B C)

(f)

P(A B)

(g)

P(A) P(B). Use ordered pair notation for elements of the Cartesian product.

For the next problems Cardinality of a set defined by a Cartesian product.

(a)

What is |{0, 1}⁷|?

(b)

What is |{a, b, c, d}³|?