Sig Figs Flashcards
(8 cards)
1
Q
Mass conversions
A
1000g = 1Kg
1000mg = 1g
2
Q
Volume conversions
A
1000mL = 1L
1mL = 1cm3
3
Q
Length conversions
A
1000 m = 1 km
100cm = 1m 1000 mm = 1 m
4
Q
Temp conversions
A
C to K (add 273)
K to C (subtracts 273)
5
Q
Why Do We Need Significant Digits?
A
To regulate how many numbers are in every answer
show accuracy
6
Q
How to determine number of sig figs in any value:
A
Any non-zero value is significant!
Any zero found between any two non-zero values is significant.
When a decimal place is present:
Look for the first non-zero number
Any zero to the left of it is NEVER significant
Any zero to the right of it is ALWAYS significant
7
Q
Numbers when multiplying
A
sig figs
8
Q
Numbers when add/sub
A
decimal places