Answer:
Real numbers are "closed" under multiplication
Irrational numbers are "not closed" under division
Integers are "closed" under subtraction
Positive ration numbers are "closed"
Hope this helps! :)
You should expect
5. There is one grey marble out of 9 total, and that can be expressed as 1/9. Since you repeat it 45 times, it's
1/9 45 times, or 1/9(45).

1*45 is 45
9*1 is 9.
45/9 is
5.
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Be sure to choose which answer is Brainliest!</em>
Answer:

Step-by-step explanation:

Answer:
isnt it 10 minutes?
Step-by-step explanation:
thats where the line stops so he rested for 10 minutes
Answer:
what do you mean?
Step-by-step explanation: