How do you round to the nearest hundredth of 0.821?

What is the solution to y - x equals 4? What is 747 rounded to the nearest hundred? What does one half x plus x? Polygons abcd and afge are similar ad equals 12 and ae equals 6 if the perimeter of abcd is 54 what is the perimeter of afge? What times 30 equals 540? What is -2.05 as a fraction in simplest form? 4 trillion divided by 100 million? How many months equal 2000 days? What is the least perimeter of a rectangle with an area of 32? Who played Hannah in the movie 7 brides for 7 brothers? How do you you say30000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000? What is the probability that a Poisson random variable x is equal to 5...? 543 divided by 6 is? What Numbers 247 lie between? What is 4500 rounded to the nearest thousand? What is 2 trillion divided by 138 million? What has adjacent side that are perpendicular? Is number of adenine equal to guanine? What is 321562.5 in scientific notation? How many grams in 2 kilometers?