yes
hierarchial classification faceted classification serial coding sequential coding block coding interpretative coding mnemonic coding check digits
2
no, it matters with the number not digits
Five. All nonzero digits are significant and zeros in between significant digits are always significant.
Five. All nonzero digits are significant and zeros in between significant digits are always significant.
Five. All nonzero digits are significant and zeros in between significant digits are always significant.
Five - zeros between significant digits are always significant.
I assume you mean significant digits. All digits are significant. A zero between other digits is always significant.
No
6
No. 0.0000123 has three significant digits.
Normally credit cards have 16 digits because of coding purposes. The first 6 digits are the issuer identification number, then the last number is the check number. The rest of the numbers are the account numbers.