Question

Find the cardinal number of set {2^x/x€N,x is less than or equal to 5​

Answer 1

Answer:

let set A={2^x x€N x less than equal to 5}

write the set in coaster form

A={2^1,2^2,2^3,2^4,2^5}

A={2,4,8,16,32}

so cardinal no of set A is

n(A)=5

Answer 2

Answer:

The perimeter of a circle is 440cm.Find the side of a square inscribed in the

circle.