If you mean this one then:
Yes it is a perfect square, since you get a whole number as the original points
And the answer is C
4/10 chance of rain Friday, 6/10 chance Saturday and 1/10 chance Sunday.
That means the chances of it not raining are 6/10 4/10 and 9/10
You multiply these together to get the chances of it not raining.
You get 216/1000 or .216 or 2.16% chance of it not raining
456÷100=4.56
How to check your work: 456÷4.56=100
4 ft is the height of the cylinder
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