Review 1 - Significant Figures & Measurement

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15 Terms

1
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significant

All non-zero numbers are _____.

2
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significant

Sandwiched zeros are _____.

3
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not significant

Leading zeros are _____.

4
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significant

If a decimal is present, following zeros are _____.

5
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significant

With scientific notation, the numbers before the multiplication sign are _____.

6
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not significant

With scientific notation, the numbers after the multiplication sign are _____.

7
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3

How many sig figs in 123?

8
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3

How many sig figs in 105?

9
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2

How many sig figs in 0.0023?

10
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3

How many sig figs in 500?

11
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3

How many sig figs in 5.00?

12
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3

How many sig figs in 500.?

13
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3

How many sig figs in 2.50×10^(10)?

14
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decimal places

When adding or subtracting, use the fewest amount of ____.

15
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significant figures

When multiplying or dividing, use the fewest amount of _____.