How many sig figs in 20400?

Is 3 or 9 a prime factor of 18? What does decimal form mean 200.456? 0.8 and times 15.2? What number is between 1.002 and 1.003? How many mm is 2degrees angle? How many yards are in 9000 square feet? What is stochastic simulation? How many seconds in 14 hours? What is the name of a triangle with 30 perimeter? How much is 2 inches in feet? How do you compute to find the equal scale of the degree celsius and the degree Fahrenheit? Is it true if you add two square numbers together you always get an Evan number? What is two thirds plus one tenth equals? What to numbers do you multiply together to get 68? Eighteen is what percent of 30? What is 17.5 percent of 18.00? What Traditional ways of evaluating multi factorial traits include? What is the equivalent fraction for 7. 15? What are liters milliliters and cubic centimeters used to measure? What number is bigger 4.06 or 4.02?