What is mcmxlvll in standard form?

What are the factors 6 and 9? Is 19 prime or composite? Does 16 or 36 have a greatest common factor? What is a fraction of 7-12ths? How do you Round 21.908 to the nearest hundredths place answer? Round up 472.9 cm to the nearest meter? What is 16.2 rounded to the nearest tenth? What are the factors and prime factors of -9? How do you write 2.2 as a percentage? How do you write a measure as a decimal to the nearest thousandth? What is the factor of x2 - 9? Round 1468 to the nearest hundred? What is 1.5 percent of 460? The fraction ninetenths is equivelent to what percent? What is 10.6 rounded to the nearest hundredth? How much does 31000 a year equal to hourly pay? What is the definition of lower fixed points? How do you round 5.028? What is 25 percent of 340? What is the greatest common factor of 16 and 68?