Significant Figures

Significant Figures

Do as many numbers as you need until you're getting them all right.

Number How many significant figures? Score
  0   1   2   3    4   5   6   7   8   9


Leading zeros are insignificant. Trailing zeros are only significant if the last trailing zero is after the decimal. Zeros within the other significant digits are significant. Remember 1.234e2 means 1.234x102.

Puzzled? Try reading the tutorial again.