18.583 and -2.583
Yes. "Integer" includes positive numbers, negative numbers, and zero.
4 and 16
Square roots of negative numbers are what are called imaginary numbers. The building block of imaginary numbers is the symbol i which is defined as the square root of negative 1. The square root of other negative numbers can be expressed using i. For example, the square root of negative sixteen is 4i, the square root of negative nine is 3i and so on.
-16 × -16 = +256
Sixteen numbers are on credit cards to help reduce fraud.
The sum of the first sixteen numbers of pi is 80.
negative 8.. -8
+432
To any set that contains it! It belongs to {-16}, or {-16, sqrt(2), pi, -3/7}, or all whole numbers between -43 and 53, or the square roots of 256, or multiples of 4, or negative numbers, or integers, or rational numbers, or real numbers, or complex numbers, etc.
Yes
negative 48
-25