How many sig figs in 6000?

What is the number and word notation for 18000000000? How many miles is 129.1 square kilometers? What is it called when you put things in order? How do you write one hundred six millionths? What are the numbers between 0.96 and 0.97? How do you define 'practice'? What is the word phrase for 10-6n? Is it possible to bisect any given angle using only a straightedge and a compass? During a four-week period you worked the following hours Week 1- 363 8 hr Week 2- 411 4 hr Week 3- 401 2 hr Week 4- 383 8 hr What is the average number of hours you worked in one week? 2ft l 15 in w 20.5 in h how many gallons? What is 553 divided 7? How do you figure out that 5280 feet 1760? What is 4.537 rounded to the nearest hundredths place? What comes after a hundred googolplexian? What is the fraction of five black marbles and two white ones? How many 0.0001 to make 0.1? Where can one find a converter to convert British pounds to USD? How many sq meters needed for an area 10 feet 8 inches x 8 feet 4 inches? A female swine always has an even number of what? Is 314 even or odd?