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

The set M represents the digits in one of the zip codes for Miami.
M = {3, 3, 1, 9, 0}

The set C represents the digits in one of the zip codes for Cooper City.
C = {3, 3, 3, 3, 0}

How many prime numbers are in the set ~(m U c)?

@ganeshie8 is it 3 ? cuz i didnt get the wiggly thingy lol (~)

Question

The zip code of a location consists of five digits chosen from the set D shown below.
D = {0, 1, 2, 3, 4, 5, 6, 7, 8, 9}

The set M represents the digits in one of the zip codes for Miami.
M = {3, 3, 1, 9, 0}

The set C represents the digits in one of the zip codes for Cooper City.
C = {3, 3, 3, 3, 0}

How many prime numbers are in the set ~(m U c)? 

@ganeshie8 is it 3 ? cuz i didnt get the wiggly thingy lol (~)

anonymous · Answer

find $M\cup C$ then take everything that is NOT in it

gabylovesyou · Answer

but i only count the prime numbers right ? so my answer (3) is correct right ?

ganeshie8 · Answer

$m U c = {0. 1, 3, 9}$

$\sim (m U c ) = { \color{red}{2}, 4, \color{red}{5}, 6, \color{red}{7}, 8}$

ganeshie8 · Answer

so 3 prime numbers,  you're correct !