Question

The collection of numbers -4,-3,-2,-1,0,1,2,3,4​

Answer 1

Answer:

These collection of numbers are known as integers .

The integers form the smallest group and the smallest ring containing the natural numbers. In algebraic number theory, the integers are sometimes qualified as rational integers to distinguish them from the more general algebraic integers. In fact, the (rational) integers are the algebraic integers that are also rational numbers.

Answer 2

1.integer 2.smalest 3.rational number