Please help thank you

1. rounds down to 1

2. rounds up to 10

3. rounds down to 7

4. not sure I say it rounds down to 4

5. rounds down to 2

6. rounds down to 6

7. rounds down to 5

8. rounds up to 4

step-by-step explanation:

the true statements are:

r = set of real numbers

n = set of natural numbers, 1,2,

w = n u{0} = {0,1,}