Significant Figures Flashcards

Help students master the rules of significant figures through practice and review

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1
Q

of sig figs: 0.9012

A

4 (Rule 2)

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2
Q

of sig figs: 10.0003

A

6 (Rule 2)

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3
Q

of sig figs: 400.

A

3 (Rule 5)

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4
Q

of sig figs: 4000

A

1 (Rule 3)

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5
Q

of sig figs: 32.00

A

4 (Rule 4)

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6
Q

of sig figs: 3.20x10^7

A

3 (Rule 5)

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7
Q

of sig figs: 4

A

1 (Rule 1)

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8
Q

of sig figs: 2.9000x10^-1

A

5 (Rule 5)

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9
Q

Round to 3 sig figs: 0.000000900

A

0.000000900 or 9.0x10^7

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10
Q

Round to 5 sig figs: 32.0

A

32.000

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11
Q

Round to 1 sig fig: 99.99999

A

100

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12
Q

Round to 3 sig figs: 300

A

300.

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13
Q

Round to 4 sig figs: 876728200

A

876700000

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14
Q

How many zeros are significant: 0.09

A

0

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15
Q

How many zeros are significant: 2.010x10^1

A

2

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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