LE2: Fill in the blanks

There are ____ elements in A x B if A has m elements and B has n elements

There are ____ elements in A x B x C if A has m elements, B has n elements and C has p elements

There are ____ elements in Aⁿ when A has m elements and n is a positive integer

The truth set of R(x):2x+1=0 is _____.

Let A = {1,2,3,4,5} and B = {0,3,6}. The A ∪ B is _________.

Let A = {1,2,3,4,5} and B = {0,3,6}. The A−B is ________.

Let A = {1,2,3,4,5} and B = {0,3,6}. The A∩B is _______.  

Let A = {a, b, c, d, e} and B = {a, b, c, d, e, f, g}. The A∪B is ______.

Let A = {a, b, c, d, e} and B = {a, b, c, d, e, f, g}. The A∩B is ______.

Let A = {a, b, c, d, e} and B = {a, b, c, d, e, f, g}. The B−A is ______.