Question

singleton set example​

Answer 1

Step-by-step explanation:

Singleton (mathematics) In mathematics, a singleton, also known as a unit set, is a set with exactly one element. For example, the set {null } is a singleton containing the element null. The term is also used for a 1-tuple (a sequence with one member).

mark me brainlist

pls

Answer 2

Answer:

{ 7 }

May be helpful to you