od/lbis/view.phpid-2999517 Learning I CUNY, Lehman College- CHEM 114- Fall 16 OL

Question

od/lbis/view.phpid-2999517 Learning I CUNY, Lehman College- CHEM 114- Fall 16 OLSON Actiies and Due Dates 1 Unit 1 All Exam Practice Score Not Set 0/08/29/2016 07:40 PM 2.67 x 10 6.85 x 10-,-10.39 x 10' O Previous ®Gve up & View Sciulion #Try Again ONext Ext 10 o 11 0 12 0 13 0 While you can simply enter the nu made a mistake in entering the numbers For example to divide 2.67 10 by 6.85 x10 n your head t is always good lo to do a treat the co first, remembering to subtract exponents when dividing by powers of 10 15

Explanation / Answer

2.67 x 104 / 6.85 x 10-5   = 0.389 x 104 x 105  = 0.389 x 104+5  = 0.389 x 109  = 3.89 x 108

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