Math 1012 Quiz 5 Name: SHOW YOUR WORK 1. Express the ...
Math 1012 Quiz 5 Name: SHOW YOUR WORK 1. Express the ...
Math 1012 Quiz 5 Name: SHOW YOUR WORK 1. Express the ...
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<strong>Math</strong> <strong>1012</strong><strong>Quiz</strong> 5<strong>SHOW</strong> <strong>YOUR</strong> <strong>WORK</strong><strong>Name</strong>:<strong>1.</strong> <strong>Express</strong> <strong>the</strong> number in three forms: reduced fraction, decimal, and percentage.a. 30% b. .20 c. 150% d.75= = = == = = =2. In a recent year, <strong>the</strong> United States made $15 billion in international arms sales. In<strong>the</strong> same year, Russia made $5 billion in arms sales. Find <strong>the</strong> absolute difference,and relative difference of <strong>the</strong>se two quantities (assuming that <strong>the</strong> first quantity is <strong>the</strong>reference value).3. Between 1960 and 2010, <strong>the</strong> percentage of <strong>the</strong> U.S. population composed of people over65 increased from 10% to 13%. Find <strong>the</strong> absolute change in terms of percentage points,and relative change in terms of a percentage.
4.a Convert each of <strong>the</strong> following from scientific to ordinary notation.i. 8 · 10 2 ii. 9.6 · 10 4 iii. 2 · 10 −3 iv. 3.3 · 10 −54.b Write each of <strong>the</strong> following in scientific notation.i. 4327 ii. 624.87 iii. 0.0045 iv. 0.13575. Assume that <strong>the</strong>re are at least 30 students in each section of QRMS, and assume that<strong>the</strong>re are about 20 sections of QRMS per semester. Make an order of magnitudeestimate on how many students have taken QRMS in <strong>the</strong> last 10 years.