Answer: 89
89 times 89 is 7921. Since 7921 is a 4 digit perfect square, it has 89 as its root. Square root of 7921=89
Answer:
9.2%
Step-by-step explanation:
227/250= .908
1.00-90.8=9.2
Answer:
67. A
68. D
Step-by-step explanation:
I don't remember exactly the explanation, but I recommend you try to learn more about number lines sometime when you aren't under stress from schoolwork, because they're pretty simple questions to answer once you get a better understanding of them!
In the commutative ring of the integers, multiplication and addition are closed on the integers. There's your first two statements. S3 would be the additive identity element is 0.