Question

Are the following sets equivalent?

{x : x is a multiple of 10 between 1 and 100, inclusive} and {3,6,9,...,30}

Answer 1

is it false?

Answer 2

The first set
{10,20,30,40,50,60,70,80,90,100}

Answer 3

What do you mean by equivalent? equal or having the same number of elements?

Answer 4

The two sets have each 10 elements but they are not equal.