SOLUTION: Ultra pure silicon is used to make solid state devices such as computer chips. What is the mass of a circular cylinder of silicon that is 12.40 cm long and has a radius of 3.51 cm?

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Question 1143148: Ultra pure silicon is used to make solid state devices such as computer chips. What is the mass of a circular cylinder of silicon that is 12.40 cm long and has a radius of 3.51 cm?

Answer by josgarithmetic(39625) About Me  (Show Source):
You can put this solution on YOUR website!
Formula for volume of a cylinder, and then, do you know how to look-up the density of silicon?