sig figs Flashcards
1
Q
non-zero integers
A
always significant
2
Q
zeros before non-zero digits (leading zeros)
ex) 0.557 or 0.000053
A
not significant
3
Q
zeros between non-zero digits
(captive zeros)
ex) 105 or 4.0578
A
always significant
4
Q
zeros at the end of the number
(trailing zeros)
A
only significant if the number contains a decimal point
5
Q
exact numbers
(numbers we can count)
A
infinite
6
Q
measured values
A
not exact = not infinite
7
Q
multiplication and division
A
report final value using the value with the SMALLEST NUMBER OF SIGFIGS
8
Q
addition and subtraction
A
report final value using the value with the SMALLEST NUMBER OF DECIMAL PLACES
