Given: A = { -1,5,6} B = {-1,2,3,4,6,8} Find the union of sets A and B.
1 answer:
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The formula for finding the surface area of a sphere is A=4π
. Since we already have the radius, we just plug that into the equation, like so:
A = 4 x 3.14 x
First, following the rules of PEMDAS, do the exponent, coming out with an answer of 1. Now, multiply 4 x 3.14, which is 12.56. 12.56 x 1 = 12.56.
Rounded to the nearest tenth, your answer is 12.6.
Hope this helps!
A = 4 x 3.14 x
First, following the rules of PEMDAS, do the exponent, coming out with an answer of 1. Now, multiply 4 x 3.14, which is 12.56. 12.56 x 1 = 12.56.
Rounded to the nearest tenth, your answer is 12.6.
Hope this helps!