"0"^^ . . "112966777"@en-us . . "significant figure"@en-us . . . . . . "significant digit"@en-us . . "113742011"^^ . "0"^^ . . "any digit of a number that is known with certainty; any digit of a number beginning with the leftmost non-zero digit and ending with the rightmost non-zero digit (or a zero considered to be the exact value); \"he calculated the answer to four significant figures\""@en-us . "13742011-n"^^ . "significant digit"^^ .