Is a period separating the ones and the ones and the tenths in a decimals number?

Is 0.252552555 an irrational number? Is dectillion a number? In which century was the year 1514? Is 0.2 greater than 0.82? What is a many to one function? How many times did Jesus cleanse the temple? How many prime numbers in 1-100? What should you do after entering you bottom-line statement? How many squares make a hexagon prism? What Negative seven tenths minus four tenth? What is negative 2 subtract positive 4? What is four and one fifth as a decimal? What are the square numbers up to 625? What is the average of 12 34 54 13 45 43 76 56 876 434 56? How do write 12.76 in word form? What times blank equals42? What is 0 multiplied by 1 total? What place value of the 9 in 197.064? How many times dose 38 go into 310? What is the difference between Multicollinearity and Autocorrelation?