Question

The number of subsets that can be created from the set {1, 2, 3} is

A. 3
B. 6
C. 7
B. 8

Answer 1

i think its A. 3

Answer 2

no it is not A

Answer 3

if a set has \(n\) elements then it has \(2^n\) subsets

Answer 4

then its D. i put B by accecdent

Answer 5

in this case \(n=3\) so you have \(2^3=8\) subsets
8 is a relatively small number, so we could easily list them
\[\emptyset\]
{a}
{b}
{c}
{a,b}
{a,c}
{b,c}
{a,b,c}