State the number of elements in the set, if possible

Question

A={×:×∈Ζ, -6<×≤4}

Answer 1

Z = set of integers

 

So, we are looking for all integers, x, where -6 < x ≤ 4

 

A = {-5, -4, -3, ...,4}

 

So, A has 10 elements