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## Significant Figures

1.
Which of the following is NOT significant?
1. Nonzero integers
3. Captive zeroes
4. Trailing zeroes after a decimal

2.
How many significant figures are there in 6.304?
1. 1
2. 2
3. 4
4. 3
3.
How many significant figures are there in 4000?
1. 1
2. 2
3. 3
4. 4

4.
How many significant figures are there in 0.00620?
1. 2
2. 1
3. 4
4. 3
5.
How many significant figures are there in 6.59?
1. 1
2. 3
3. 4
4. 2

6.
How many significant figures are there in $6.3640 xx 10^5$?
1. 4
2. 10
3. 5
4. 2
7.
Which of the following has 3 significant figures?
1. 0.006
2. 6.005
3. 6.05
4. 6.050

8.
How many significant figures are there in 0.0001?
1. 2
2. 1
3. 3
4. 4
9.
0.6504 is expressed to 3 significant figures.
1. True
2. False

10.
The mass of a substance is 0.13007 g. How many significant figures is this measurement expressed to?

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