Mathematics > QUESTIONS & ANSWERS > Quiz 12: Applied Mathematics Review. 22 Questions and Answers with Explanation. (All)

Quiz 12: Applied Mathematics Review. 22 Questions and Answers with Explanation.

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Quiz 12: Applied Mathematics Review 1) Simplify 5x? * x. A) 6x4 B) 5x5 C) 5x3 D) Already simplified 2) Simplify (a²)?. A) a10 B) a7 C) a32 D) a25 3) Simplify 5(3b)². A) 15b2 B) 5(9b2) ... C) 45b2 D) Already simplified 4)Solve for x in the equation 4x - 4 = 12. A) 6 B) ±6 C) 4 D) ±4 5) Solve for x in the equation x² - 1 = 0. A) 0 B) 1 C) -1 D) ±1 6) Solve for x in the equation 4(x + 6)= 6x - 16. A) 1.6 B) 3.2 C) 4 D) 12 7) Solve for x in the equation x?/x? = 100. A) -10 B) ±10 C) 10 D) 1 8) Find the log of log453. A) 2.656 B) 6.116 C) -19.08 D) 8.752 9) Express log?? 100 = 2 in exponential notation. A) 1.0 ´ 102 B) 102 = 100 C) 210 = 100 D) 10 = v100 10) Express log? 16 = 4 in exponential notation. A) 4 = v16 B) 42 = 16 C) 1.6 = 102 D) 24 = 16 11) Convert 8.25 R into the SI unit of exposure. A) 3.20 ´ 103 C/kg B) 3.20 ´ 104 C/kg C) 2.13 ´ 10-3 C/kg D) 2.13 ´ 10-4 C/kg 12) Convert 2 Gy into rad. A) 2 rad B) 20 rad C) 200 rad D) 2000 rad 13) Which of the following is an example of a random error? A) Inaccuracies in the laser positioning system B) Patient movement C) Human error D) Difference in cushioning capacity of couch materials between simulator and treatment table 14) Express 10³ in scientific notation. A) 103 B) 1 ´ 103 C) 1000 D) log 1000 = 3 15) Express 8.333 in scientific notation. A) 8.333 ´ 10-1 B) 8.333 ´ 101 C) 8.333 ´ 100 D) Cannot be written in scientific notation 16) Which of the following is not a fundamental SI unit? A) Time B) Distance C) Weight D) Electrical current 17) Transposition of numbers in a patient's chart is an example of which type of error? A) Systematic B) Random C) Blunder D) None of the above 18) How many significant figures are there in 0.0068? A) Two B) Three C) Four D) Five 19) How many significant figures are there in 6,800? A) Two B) Three C) Four D) Unable to determine 20) The relationship between distance and radiation dose follows which of the following? A) Direct proportionality B) Indirect proportionality C) Inverse proportionality D) Linear interpolation 21) Which of the following numeric expressions is written in scientific notation? A) 8.333 ´ 104 B) 83.33 ´ 103 C) 833.3 ´ 102 D) 8333 ´ 101 22) Which of the following numeric expressions is written in scientific notation? A) 1222 ´ 101 B) 122.2 ´ 102 C) 12.22 ´ 103 D) 1.222 ´ 104 [Show More]

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