The first one is 0.27, Second one is 0.12, third one is 2 times people live per year, and the last one is 0.02
The length of the wire is the length of the hypotenuse of a triangle with one leg 60 inches and the other leg 8*4 in = 32 inches.
√(60² +32²) = √4624 = 68
The wire is 68 inches long.
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Consider what happens if you wrap a paper triangle of those dimensions around the pipe. The hypotenuse edge traces the path of the wire.
The number of bacteria that will exist in 12 hours is 614,400.
9 3/10- 1 7/10
8 13/10 - 1 7/10
7 6/10
7 3/5