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Unformatted text preview: ln 3 5d i Part II. Give complete solutions to problems 21  26. Show all your work if you want to receive any partial credit. 21. (8 pts) Suppose there are 6.023 x 10 23 molecules in one gram of water. How many molecules are in a beaker containing 10.5 grams of water? Leave answer in scientific notation. 22. (8 pts.) JimBob invested $3500 at 6.5% compounded quarterly (4 times per year). How much was the accumulated amount after 7 years? You may use the formula A = P(1 + r/n) nt 23. (8 pts.) The number of grams of a chemical that will dissolve in a solution is given by the formula C = 100e 0.02t where t is the temperature in degrees Celsius. Evaluate when t = 20. 24. (8 pts.) Simplify: 6 10 12 4 4 3 2 x x x x+25. (8 pts.) Solve for x: 3 1 243 2 x= 26. (8 pt. bonus) Solve the equation: 9 2x = 729...
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 Fall '08
 Beale,Angela
 Scientific Notation, Exponents, Exponentiation, 7 years, $3500, 6.5%, 8 pt

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