SOLUTION: Some people who have speech disorders communicate with the help of new electronic devices. The devices contain circuit switches that are 9*10^-5 mm in length. A switch is placed be

Question 1111847: Some people who have speech disorders communicate with the help of new electronic devices. The devices contain circuit switches that are 9*10^-5 mm in length. A switch is placed beside a grain of sand. The grain of sand has a diameter of 0.54 mm. How many switches placed end-to-end are needed to equal the diameter of the grain of sand?
Answer by addingup(3677) (Show Source): You can put this solution on YOUR website!
10^-5 = move the 10 to the right of the decimal point 5 spaces and you get 0.00001
Multiply that times 9, and divide 0.54 by the product of your multiplication to get your answer.
(hint: I get 6,000)
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