Did Rene descartes invented the cartisian coordinator?

What is 1510 in Roman Numerals? Is 90 in the six times tables? What was the last year of the 454? zero? How do you write 0.000981 in scientific notation? What are the prime fators of 50? How is 990 written in roman numerals? What is 6ft7inches in centimeter? How many squares is 2300 sq ft? What is the angle of the hands of a clock at 6.50? What is the remainder when you divide 982 by 43? How do you write the number 80.453 in words eightyfour tenths fifty-three thousand? How many yards are in 1200 meters? Is 0.2 and 0.20 a equivalent decimals? What kind of systematic error detected by varying the sample size in chemistry? What does centuplicate? What are three different ways you can avoid any wildlife encounters? What Is 803119 Rounded to the nearest thousand? How many whole numbers less than 50 are divisible by 5 or 7 but not both? What shape forms when you have 5 equal rectangles and 2 equal pentagons?