Question

Which sets of numbers are closed under multiplication?


Choose all answers that are correct.

A. whole numbers
B. natural numbers
C. integers
D. negative integers

Answer 1

b and c i think

Answer 2

If you what to know if whole numbers are "closed" under multiplication ask yourself this:
If we take a whole number and multiply it by another whole number is the result always a whole number?

Answer 3

Which decimal number is equivalent to \frac{1}{16} ? Use long division to solve.

A. 0.75
B. 0.65
C. 0.0625
D. 0.16