Question

how many subsets are there for empty set​

Answer 1

The empty set has just 1 subset: 1. A set with one element has 1 subset with no elements and 1 subset with one element: 1 1. A set with two elements has 1 subset with no elements, 2 subsets with one element and 1 subset with two elements: 1 2 1.

Hope it helps you.

Answer 2

Answer:

Here is your answer thank you