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Write each number in scientific notation. Write each number in standard notation. 11) 0.00006 12) 6.8 x 102 Simplify. Write each answer in scientific notation.

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Write each number in scientific notation. Write each number in standard notation. 11) 0.00006 12) 6.8 x 102 Simplify. Write each answer in scientific notation. Show your work. 13) (5.8 x 10 3)(8.4 x 10?) 14) 1.3 x 10-5 8.44 x 102 Simplify each sum. Show your work. Show your work, when possible. 15 ) (7+ 8p*) +(2p*+3) 16) (8 + 4n) ) + (8 + 2n2+2n]) 17) (8/3 + 4/2+ 2/4) + (12+ 3/4-613) 18) (5-2p3) -(2p' -8) 19) (5x2 - 8x) - (8x2 - 4x -6) 20) (5x4 - 7 - 7x) - (x+2+8x4) 21) (8 + 2x3 - 2x?) + (2x3 + 1+ x2) +(7x#+6x2 -2) -2-Find cull product. Show your work when pmsible. 22) (6v - 5)(2v 7) 23) (6172 + 8x + 1X41: + 7) 24) [8x + 5X3x 5) 25) (p 1')2 Divide. Show your work when possible. 26) (24r' + 241*: + 51*) -:+ 6r" Divide. Use long division method. Show your work. 27) (x2 18x+81)-:-(x9) 28) (a:3 + 302 25a+23)+(a3) Divide. Use synthetic division. Show your work. 29) (n2 2n 22) + (n 5) 30) (9.1:3 _ 86x2 + 40:: + 45) + (x 9) BONUS QUES'HON: You must answer correctly and all work shown must be correct and legible, to receive any credit. No work, No credit. 5 pts Park ofcials stocked a man-made lake with bass last year. To approximate the number of bass this year, a sample of 75 bass is taken out of the lake and tagged. Then later a different sample is taken, and it is found that 21 out of 100 bass are tagged. Approximately how many bass are in the lake? (Round to the nearest whole unit.) Exam #3 Chapter 13 Date Simplify. Your answer should contain only positive exponents. Show your work, when possible. 1) 62 . -62 4uv2 2) -3vu 3) 4) 2xy x2 y2 . -3x* 5) (32 ) 4 6) (-3xx3)2 2x2 3 7) 8) 4 . (-2)-2 (xx2 . 2y2 . -2yx' ) 9) 3x By4 . -4x2 3 10) 2vu . -up2 (-2310)4

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