Significance Figures Flashcards
1
Q
SIGNIFICANT FIGURES RULES (4 main)
33.2
92.00
5.02 x 10^4
0.0032
0.000500
5
405
320.
A
- non zeroes
- zeroes between 2 non zeroes
- zeroes to the right of decimal pt and whole #
- zeroes to right of a whole # w/ a decimal pt @ the end
3
4
3
2
3
1
3
3
2
Q
How many SF do countable values have
A
infinity
3
Q
How many SF do J/mol·K (Measurements computed) have
A
infinity
4
Q
SF Rule in Addition and Subtraction
A
Lower # of values -> Count of decimal points
5
Q
SF Rule in Multiplication and Division
A
Lower # of SF
6
Q
SF Rule in Log and Antilogs
A
SF of inside parenthesis -> # of decimal point in final answer
7
Q
SF rule if addition-subtraction & multiplication-division is combined
A
PEMDAS -> follow last one