Significant digits.
Yes. Pi (π) is an an irrational number. Here are some of the digits: 3.141592653589793238462643383279502884197169399375105...
There are short strings of digits which will repeat, but there is no sequence which will repeat forever.
The binary number system has zero and one as its only digits. A number or letter expressed in binary notation will appear as a series of zeroes and ones.
The bank ID routing number on a check is printed at the very bottom of the check on the left hand side. The routing number is a series of nine digits.
There are several infinite series. To find PI to x digits, evaluate each term to x+2 digits until the value is 0. Then round to x digits.
Yes. A rational number is any number that can be expressed as a fraction (one integer divided by another). Any decimal number that is finite (i.e. the sequence of digits comes to an end, such as in the above number) or infinitely repeats a series of digits (such as 0.3 recurring; i.e. 1/3) can be expressed as a fraction and is therefore rational.
3. The digits are in alphabetical order in English.
71 79 95 109 The series: Sn+1 = Sn + Sum of the digits of Sn with S0 = 11
Shortterm memory
It appears as if you are multiplying the digits together to create the next number. If that's true, the fifth number would be 8 and the sixth digit and any after that would be zero.
1970- some were made in late 1969. There should be two more digits at the beginning of the serial number that is the date manufactured on this series.
1970- some were made in late 1969. There should be two more digits at the beginning of the serial number that is the date manufactured on this series.