CHEM 104 Lecture Notes - Lecture 3: Scientific Notation, Equals Sign

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Go with the most amount of significant figures. 5. 00 + 1. 0 = 6. 0 2 sig. fig. 10. 5 + 102. 3 = 112. 8 4 sig. fig. 1. 33 0. 12 = 1. 21 3 sig. fig. 10 - 0. 1 = 10 1 sig. fig. Go with the least amount of significant figures. 10n = 10 x 10 x x 10. How to calculate scientific notation using a ti 30xa: plug in decimal number. Ex: 1. 23: press the ee button (right above 7, plug in exponent. Ex: 10: press the multiplication button ( x , repeat steps 1 and 2. 2: press the enter button (equals sign button, bottom right corner) How to get into scientific notation: type the number you want to change into scientific notation. Ex: 2767500: press the 2nd key (top left corner, press the sci button (same button as 5, press the enter button. Note: you will not see x 10 , 2. 767506 will appear on your screen but it actually means.