Question

Can somebody check my math answer???

The zip code of a location consists of five digits chosen from the set Z shown below.
Z = {0, 1, 2, 3, 4, 5, 6, 7, 8, 9}

The set R represents the digits in the zip code for Rubonia.
R = {3, 4, 2, 2, 1}

The set S represents the digits in one of the zip codes for Sarasota.
S = {3, 4, 2, 4, 3}

How many prime numbers are in the set (R Union S)?

Answer:1