What frequency corresponds to an absorphtion line at 502?

What is the reduced fraction for the fraction of 18 and 40? Solve for rate in each what Round to the nearest tenth of a percent percent of 78.57 ounces is 22.2 ounces? Why you cannot hold a bucket of water without holding it? Find fractional notation for the ratio of 7 to 3? What is the definition for multiple in math? What is 3 divided by 1956? What is two sevenths plus two thirds? What day of the week was July 16 1944? How do you turn algebra with negative powers into fractions? How many degrees are in each interior angle of a regular pentagon? What was the roman number 452? How do you do the math of 235 x 98? What is 48 greater than or equal to 4 plus the product of x and 11? Does and ace plus eight equal 18 or 19? What number does this roman numeral represent cxlvii? 85 is what percent of 200? Why is six tenths greater than six hunderths? What is 62 percent of 151? What is all sides of a ship called? How many significant numbers are in 5.0 x 10 to the negative 3rd power?