It was digits followed by zero
Zero is itself a digit so the question does not really make sense. However, the non-zero digits are older than zero. For example, consider the Roman number system which had no zero.
aryabhatta first invented zero in India
These are the first 31 digits of pi:3.1415926535897932384626433832795The number not found is zero
The number zero was the first "invented" number.
5. Count the number of digits from the first non-zero digit to the last non-zero digit.
Zero (0).
These are the first 31 digits of pi:3.1415926535897932384626433832795The number not found is zero.
Because this number does not have a decimal point, to count significant digits, we start at the right and start counting from the first non zero number. The first non zero number is 6 and this number has 4 significant digits.
The number of significant digits is the length of the numerical string from the first to the last non-zero digits in a number.The number if significant digits in 9807600, or 0.0012021 is 5.
The first digit would have to be 1, the remaining digits, zero.
There are three sig fig in 0.00567. The first significant figure is the first non-zero digit; count all the digits from there ontwards until the last non-zero digit is reached.
There are eight significant figures in the number 230058.35. All numbers between the first and last digits, as well as the first and last digits, when the first and last digits aren't zero are included as a significant figure.