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Quiz 02

Quiz 02

Q Quiz 02 • Points 5 • Submitting a file upload Here's a copy of Quiz #2. To answer the questions, you can write on the .pdf with a touchscreen, you can print out the quiz on paper and write in your answers, or you can write your answers on a separate sheet of paper. Save your work as a .pdf, and submit your work using the Submit Assignment button at the top of the page. QUIZ #2 – 5 points CHEM 305 Summer 2021 1) Complete the following calculations, accounting for the correct number of significant figures in your answer: a) (147)(0.0086)(15.28) = _______________ b) (3.00 x 10-6)(5.895 x 102) = _______________ c) 620 + 32.22 - 16.5 = _______________ d) (3.910)(404)(900) = _______________ 2) A standard unit for length in the metric system is the ___________________________.

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1. a) (147)(0.0086)(15.28) = 19.316976_ 8 s f b) (3.00 x 10-6)(5.895 x 101) = 1.7685 x 10-4