6<span>√2 is already in it's simplest form as a radical.
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It would be an open circle with an arrow going to the right
Answer:
56
Step-by-step explanation:
I'm not 100% sure, use my answer at your own risk
Answer: 1 and 3
It's because they both divide down lower than 1
Answer: 
Step-by-step explanation:
If the volume of a sphere is

Where
is the radius
The volume of a hemisphere is half the volume of the total sphere:


Solving this equation:

Finally:
