Question

a) If P x Q = {(4, 5), (4, 6), (4,7), (5,5), (5, 6), (5, 7)}, find P and Q. Also show
that n(P X Q) = n(P) X n(Q).​

Answer 1

Step-by-step explanation:

Length of the first ribbon= 1.68cm = 0.0168m.