18.84 all you do is the v times 3.14 and that’s what you get
Answer:
the answer is negative 8. just plug f in
if the diameter of it is 12, its radius is half that or 6.
The probability of one failing is 0.1
The probability of two failing is 0.1 x 0.1 = 0.01
The probability if three failing is 0.1 x 0.1 x 0.1 = 0.001
etc
The probability of all six failing is 0.1 x 0.1 x 0.1 x 0.1 x 0.1 x 0.1 = 0.000001
