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Wenger - Physical Science > Counting Sig Figs > Flashcards

Counting Sig Figs Flashcards

1
Q

6

has how many significant figures?

A

6

Has 1 sig fig

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2
Q

20

has how many significant figures?

A

20

Has 1 sig fig

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3
Q

400

has how many significant figures?

A

400

Has 1 sig fig

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4
Q

0.05

has how many significant figures?

A

0.05

Has 1 sig fig

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5
Q

0.007

has how many significant figures?

A

0.007

Has 1 sig fig

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6
Q

0.0004

has how many significant figures?

A

0.0004

Has 1 sig fig

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7
Q

30

has how many significant figures?

A

30

Has 1 sig fig

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8
Q

3000

has how many significant figures?

A

3000

Has 1 sig fig

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9
Q

80000

has how many significant figures?

A

80000

Has 1 sig fig

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10
Q

12

has how many significant figures?

A

12

Has 2 sig figs

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11
Q

55

has how many significant figures?

A

55

Has 2 sig figs

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12
Q

770

has how many significant figures?

A

770

Has 2 sig figs

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13
Q

0.033

has how many significant figures?

A

0.033

Has 2 sig figs

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14
Q

0.00090

has how many significant figures?

A

0.00090

Has 2 sig figs

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15
Q

0.0020

has how many significant figures?

A

0.0020

Has 2 sig figs

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16
Q

1.6

has how many significant figures?

A

1.6

Has 2 sig figs

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17
Q

25000

has how many significant figures?

A

25000

Has 2 sig figs

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18
Q

930

has how many significant figures?

A

930

Has 2 sig figs

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19
Q

1.20

has how many significant figures?

A

1.20

Has 3 sig figs

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20
Q

284

has how many significant figures?

A

284

Has 3 sig figs

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21
Q

9.82

has how many significant figures?

A

9.82

Has 3 sig figs

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22
Q

0.0308

has how many significant figures?

A

0.0308

Has 3 sig figs

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23
Q

156

has how many significant figures?

A

156

Has 3 sig figs

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24
Q

28.5

has how many significant figures?

A

28.5

Has 3 sig figs

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25
3.96 has how many significant figures?
3.96 Has 3 sig figs
26
0.719 has how many significant figures?
0.719 Has 3 sig figs
27
0.0442 has how many significant figures?
0.0442 Has 3 sig figs
28
0.08800 has how many significant figures?
0.08800 Has 4 sig figs
29
5988 has how many significant figures?
5988 Has 4 sig figs
30
37.07 has how many significant figures?
37.07 Has 4 sig figs
31
987.4 has how many significant figures?
987.4 Has 4 sig figs
32
2807 has how many significant figures?
2807 Has 4 sig figs
33
2005 has how many significant figures?
2005 Has 4 sig figs
34
20.05 has how many significant figures?
20.05 Has 4 sig figs
35
1.003 has how many significant figures?
1.003 Has 4 sig figs
36
37982 has how many significant figures?
37982 Has 5 sig figs
37
4328.9 has how many significant figures?
4328.9 Has 5 sig figs
38
49.924 has how many significant figures?
49.924 Has 5 sig figs
39
9.7703 has how many significant figures?
9.7703 Has 5 sig figs
40
0.73666 has how many significant figures?
0.73666 Has 5 sig figs
41
0.012345 has how many significant figures?
0.012345 Has 5 sig figs
42
37.003 has how many significant figures?
37.003 Has 5 sig figs
43
1234500 has how many significant figures?
1234500 Has 5 sig figs
44
81.909 has how many significant figures?
81.909 Has 5 sig figs
45
600783 has how many significant figures?
600783 Has 6 sig figs
46
48923.4 has how many significant figures?
48923.4 Has 6 sig figs
47
559.832 has how many significant figures?
559.832 Has 6 sig figs
48
30.0004 has how many significant figures?
30.0004 Has 6 sig figs
49
1234567 has how many significant figures?
1234567 Has 7 sig figs
50
800.0008 has how many significant figures?
800.0008 Has 7 sig figs
51
When a scientist writes down a number how many "uncertain digits" do they typically keep.
One ## Footnote This will usually be the last digit on the right. 454.07
52
If a number has a zero with a line over it... Where is the uncertain digit? (This is an important exception to some other rules you might see on these flash cards.
The zero with the line over it is the uncertain digit.
53
670.45 Which digit above is the uncertain digit?
670.4**_5_**
54
930,020 Which digit above is the uncertain digit?
930,0**_2_**0
55
.0080 Which digit above is the uncertain digit?
.008**_0_**
56
2000 Which digit above is the uncertain digit?
**_2_**000
57
An "EXACT NUMBER" has how many sig figs?
Unlimited An exact number is not a measurement, thus, it has no uncertainty.
58
You pick 3 tennis balls out of a bin. What is the uncertainty associated with the number 3 in this case.
There is no uncertainty. You can be sure you have "EXACTLY" 3 tennis balls. You counted to 3, you did not "measure" 3 tennis balls.
59
.008 Which digit above is the uncertain digit?
.00**_8_**
60
What is meant by the words "The Uncertain Digit?"
The "Uncertain Digit" is **_usually_** the farthest digit on the right. 74. 2 0. 770 574 92.000
61
When we ask _"How many digits wide is a number?"_ What do we mean?
We mean how many digits from the Big Digit to the Uncertain Digit. * This number is 5 digits wide:* 603. 04
62
What is the **"Mantissa"** of this number?
1.25
63
What is the **"Mantissa"** of this number?
1.38502
64
What is the **_exponent_** of this number?
The 3 (or the 103)
65
What is the **_exponent_** of this number?
-1 (or the 10-1)

Wenger - Physical Science (17 decks)

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