Math 1012 Quiz 5 Name: SHOW YOUR WORK 1. Express the ...

Math 1012Quiz 5SHOW YOUR WORKName:1. Express the number in three forms: reduced fraction, decimal, and percentage.a. 30% b. .20 c. 150% d.75= = = == = = =2. In a recent year, the United States made $15 billion in international arms sales. Inthe same year, Russia made $5 billion in arms sales. Find the absolute difference,and relative difference of these two quantities (assuming that the first quantity is thereference value).3. Between 1960 and 2010, the percentage of the U.S. population composed of people over65 increased from 10% to 13%. Find the absolute change in terms of percentage points,and relative change in terms of a percentage.

4.a Convert each of the 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 the following in scientific notation.i. 4327 ii. 624.87 iii. 0.0045 iv. 0.13575. Assume that there are at least 30 students in each section of QRMS, and assume thatthere are about 20 sections of QRMS per semester. Make an order of magnitudeestimate on how many students have taken QRMS in the last 10 years.