Rules of Significant Figures
Helping flash cards for the Honors Chemistry lesson over significant figures and scientific notation.
Non-zero digits are _________ significant. If there are no zeros in the number, then ________ _________ is significant.
Always; every digit
All zeros between other significant digits are _________.
If there is a decimal point, you start from the ________.
If there is no decimal point, you start from the ________.
The number of significant figures is determined starting with the ______________ ____-________ digit.
If a number ends in zeros to the right of the decimal point, those zeros are all __________.
Zeros to the left of the of the first non-zero number are ____________.
3 = ±____.
2.53 = ±____.
2.531 = ±____.
2.5315 = ±____.
2.53156 = ±____.
3 = ±1
2.53 = ±0.01
2.531 = ±0.001
2.5315 = ±0.0001
2.53156 = ±0.00001