CHEM 111 Lecture Notes - Significant Figures, Leading Zero, Scientific Notation

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10 Mar 2014
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Sometimes shown with as in 1. 5 0. 1 ml. If there"s no , uncertainty assumed in the last digit. The more digits, the more certain the measurement. #2: all zeroes between non zero digits. #4b: between non zero and decimal on right yes: mhz has 3 sig figs. #4c: decimal on left, after non zero yes. 20,000 mi looks like 1 sig fig vs. 2. 0 x 104 mi shows 2 sig figs. How many sig figs: 32. 010, 3, 4, 5 , 0. 0032, 4, 2 , 5, 30. 0, 1, 2, 3 * Your calculated answer cannot be more certain than your measurements initial sig figs inform your answer. Multiplication and division: the answer must contain the same # of sig figs as that of the. Volume of a cube 3. 4 in to a side. V = r3 = (3. 4 in)3 = 39. 304 in3.