sig figs Flashcards
1
Q
what digits are always significant
A
nonzero digits
2
Q
zeros between nonzero numbers are..
ex. 1005
A
significant
3
Q
zeros at the beginning of a number are…
ex: 0.02
A
NEVER significant they just represent the position of the decimal
4
Q
zeros that fall at the end of a number and after a decimal point are…
ex: 0.0200
A
always significant
5
Q
when a number ends in zeros but contains no decimals the zeros are..
ex: 130
A
significant
6
Q
multiplication and division
A
the result cannot have more sig figs than the least precise number in the calculation
7
Q
addition and subtraction
A
the result may not have any more decimal places than the least precise number in the problem
