Significant Figures

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1.
How many sig figs in: 285,000,0000 people (type in number).

2.
How many sig figs in 1,300. cm? (Type in number.)

3.
How many sig figs in 0.0010 mL? (Type in number)

4.
128.36 g / 36.7 mL = ?

5.
How many sig figs in: 5.000 mL? (Type in number.)

6.
What is the only digit that is sometimes significant and sometimes not significant. (Type in the digit.)

7.
13.7 cm - 0.045 cm = ?

8.
236 cm x 0.23 cm = ?

9.
The last digit of any measurement is always an __?__. Zeros are sometimes an exception to this rule .

10.
236.25 g + 1.0733 g = ?

11.
The population of SHS is 2,800 students. Which digit is an estimate? (Type in number)

12.
How many significant figures in 30.0110 km? (type in number)

13.
What is: 34.0 cm x 5.7 cm x 2.800 cm

14.
What is 240 m - 2.3 m?

15.
Zeros used as __?__ are never significant figures.

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