eesa01 2011 asst #3 - 1 University of Toronto at...

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Unformatted text preview: 1 University of Toronto at Scarborough 2011-2012 "INTRODUCTION TO ENVIRONMENTAL SCIENCE" (EESA01) ASSIGNMENT #3 Prof. C.P.J. Mitchell ANSWER ALL QUESTIONS DIRECTLY ON THE PAPER. CLEARLY CIRCLE YOUR FINAL ANSWER FOR EACH QUESTION. 71 TOTAL MARKS. 1. Convert each to the appropriate SI unit and with appropriate significant digits (10 marks): a) 1.7 years: b) 4,789 nm: c) 0.78 g cm-3 : d) 10 km 2 : e) 0.0000652 Gg: 2. Use scientific notation to express each of the following (5 marks): a) 0.00014000 b) 0.002560000000000007 c) 1.369 d) 140,000,000 e) 0.0009450 2 3. How many significant digits are in each of the following values? (10 marks) a) 0.00076 b) 0.0007600 c) 0.789000 d) 1.7890 e) 0.000000000101 f) 0.0000000001010 g) 567,894.060 h) 5.67*10 6 i) 1.000000008 j) 0.000000080 4. Answer the following arithmetic questions. (8 marks) a) 124.1 + 35.678 = b) 124.16 35 = c) 23.1 x 345.65 = d) 5600.023 6 = e) 100 x 4.56 23.567 = f) 10 1.01 = g) 1.02x10 6 1.02x10 6 = h) (236589 + 441911) x 1.00 = h) (236589 + 441911) x 1....
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eesa01 2011 asst #3 - 1 University of Toronto at...

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