Significant Figures Flashcards
Help students master the rules of significant figures through practice and review
1
Q
of sig figs: 0.9012
A
4 (Rule 2)
2
Q
of sig figs: 10.0003
A
6 (Rule 2)
3
Q
of sig figs: 400.
A
3 (Rule 5)
4
Q
of sig figs: 4000
A
1 (Rule 3)
5
Q
of sig figs: 32.00
A
4 (Rule 4)
6
Q
of sig figs: 3.20x10^7
A
3 (Rule 5)
7
Q
of sig figs: 4
A
1 (Rule 1)
8
Q
of sig figs: 2.9000x10^-1
A
5 (Rule 5)
9
Q
Round to 3 sig figs: 0.000000900
A
0.000000900 or 9.0x10^7
10
Q
Round to 5 sig figs: 32.0
A
32.000
11
Q
Round to 1 sig fig: 99.99999
A
100
12
Q
Round to 3 sig figs: 300
A
300.
13
Q
Round to 4 sig figs: 876728200
A
876700000
14
Q
How many zeros are significant: 0.09
A
0
15
Q
How many zeros are significant: 2.010x10^1
A
2
16
Q
Solve (6.01x10^5) x (2.1x10^3)
A
1.26x10^9
17
Q
Solve (6.01x10^5) - (2.1x10^3)
A
5.99x10^5
18
Q
mass=5.00 kg, density=8.2340 g/L, v=?
A
607 L
19
Q
mass=4.00000 g, v= 3.2 L, density=?
A
1.3 g/L
20
Q
What are the two things every answer must include?
A
Significant figures and unit measurements
