1.2 Significant Figures & Scientific Notation

SIGNIFICANT FIGURES RULES FOR ZEROES
1. Zeroes at the beginning of a number are NOT significant.	0.000375
2. Zeroes at the end of a number left of the decimal point are NOT significant.	37500
3. Zeroes at the end of a number right of the decimal point are significant.	3.7500
4. Zeroes in between significant figures are significant.	3.0075

SIGNIFICANT FIGURES RULES FOR MATHEMATICAL OPERATIONS
Multiplication / Division	The answer is rounded to the same number of significant figures as the term with the fewest significant figures.
Addition / Subtraction	The answer is rounded to the same decimal place as the most precise decimal place in the least precise term.

Scientific Notation

SCIENTIFIC NOTATION RULES
1. Numbers written is scientific notation have only 1 digit left of the decimal.
2. Numbers larger than 1 have a positive power of 10.
3. Numbers smaller than 1 have a negative power of 10.