significant figures

19 LETTERS · STARTS WITH S

significant figures is a valid 19-letter word worth 28 points in Scrabble and 34 points in Words with Friends.

SCRABBLE WORDS WITH FRIENDS

S1I1G2N1I1F4I1C3A1N1T1F4I1G2U1R1E1S1

1 + 1 + 2 + 1 + 1 + 4 + 1 + 3 + 1 + 1 + 1 + 0 + 4 + 1 + 2 + 1 + 1 + 1 + 1 =28 PTS

DOUBLE WORD → 56TRIPLE WORD → 84

MEANING

What does significant figures mean?