What does 86400 s i a d stand for?

What is January 3RD 2012 in roman numeral? Is 32 a perfect number? Is one-half greater than two-fourths? How do you write 0.038 in simplest form? What is 140 percent of 68 g? What factors can contribute to low birth rates? Is there a temperature at which the number of celsius degrees is the same as the number of Fahrenheit degrees? What are non-consecutive digits? Write 23 hundredths of 1 pound in pence? What is 20 percent of 815.32? If a circle has an area of 400 cm find the radius to the nearest tenth? When was Psalm 121 written? What is the percentage of Christians in Chile? What does 0.3 has same value as? What bills add up to 50 snelfus? What is probability 2 girls are chosen if 10 students are girls and 15 are boys? What is 17 times 5 equals? What part of a relation is the set of all first components from each order pair? What are four names for a trapezoid? What is 27 minus 60?