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Chemistry, 13.03.2020 17:31, danielle413
A sample of silicon rejected for use in an electronic circuit has an impurity of boron at a level of 3 parts per trillion. What is the fraction of boron atoms in the silicon sample as written in scientific notation? In equation form 3 parts per trillion is written as 3/10^12 A) 3 x 10-12 B) 3 x 106 C) 3×10-9 D) 3 x 109
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