Answer:
2.0
Step-by-step explanation:
Couldn't really understnd what you wrote but I'll assume it's the standard deviation of a fair, 7-sided die
The standard deviation is just the square root of the variance (which is just the second moment minus the first moment squared)
The first moment (AKA the average is..)

The second moment is..


Answer:
8-3=8-3
Step-by-step explanation:
Answer:
5060
Step-by-step explanation:
The radius of a sphere that has a surface area of 12.56in2 would turn out to be:
4
r²
There are 2² butterflies.
Or simply 2²