Sig-Fig Rules & Tools Match-Up

Chemistry Area 1 SHOULD DO B • cards

Matched: 0 / 4   — pick one card, then click its partner (in the other column).
Sig-fig examples (how many?)
Example 1
5.60 (how many sig figs?)
 
Example 2
0.0045 (how many sig figs?)
 
Example 3
1010 (how many sig figs?)
 
Example 4
1.050 (how many sig figs?)
 
Answer & rule applied
A
4 sig figs — interior zeros + trailing zero (decimal) count (RULE 2 & 4)
 
B
3 sig figs — trailing zero counts because there is a decimal point (RULE 4)
 
C
3 sig figs — interior zero counts, trailing zero needs decimal (RULE 2)
 
D
2 sig figs — leading zeros don’t count (RULE 3)