Question

How should elements of a set be written?

Options

• Inside square brackets separated by semicolons

• Inside curly braces separated by commas

• Inside parentheses separated by dots

• Inside angle brackets separated by dashes

Answer 1

Inside curly braces separated by commas

Explanation: 

The standard notation for sets uses curly braces { } with elements separated by commas, as in A = {1, 2, 3, 4}.