# Percentages and Big Numbers Homework

## Percentages and Big Numbers Homework

Written Homework: Percentages and Big Numbers Instructions: save this file. Add your solutions to each problem after each question. SHOW ALL WORK on each problem! 1. Write the following numbers in standard, decimal notation using all zeros and commas placed appropriately. Also state how people would commonly would say this number verbally. (a) 4,500.78 million (b) 0.0024 trillion (c) 67,800 million 2. Suppose your calculator or computer gives you the final answer as listed below. Write each value in standard, decimal form using all zeros, and all commas placed appropriately. (a) 2.907 E 6 (b) 3. Find each answer. (a) 14.8% of 4300 is what value? (b) 306 is what percent of 730? (c) 300 is what percent less than 520? (d) 520 is what percent more than 300? (e) 1.85% more than 65 billion is what number? (f) 24.1% less than 85 trillion is what number? 4. There are 2000 people working in a building. 1300 of the people are full time workers (600 full time are male, and 700 full time are female). 700 of the people are part time workers (450 part time are male, and 250 part time are female). (a) Part time female workers make up what percent of the company total people in the building? Show your work. (b) Part time female workers make up what percent of the total part time workers? (c) If part time female workers increase by 50 people (while all other employees remain at the same numbers), then what percent would part time employees in the building increase? (d) If part time female workers increase by 50 people (while all other employees remain at the same numbers), then what percent would all employees in the building increase? (e) If part time female workers increase by 50 people (while all other employees remain at the same numbers), then what percent would female employees in the building increase?

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