Significant Figures Flashcards

1
Q

Rules for determining significant figures are:

A
  1. All non-zero numbers are significant
  2. Sandwich zeroes are ALWAYS significant
  3. Leading zeroes are NEVER significant
  4. Trailing zeroes are ONLY significant IF there is a decimal point
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2
Q

Sig Figs in 5.09

A

3

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3
Q

Sig Figs in 63

A

2

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4
Q

Sig Figs in 9030

A

3

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5
Q

Sig Figs in .02001

A

4

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6
Q

Sig Figs in .0908

A

3

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7
Q

Sig Figs in 30

A

1

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8
Q

Sig Figs in 1.7 x 10^5

A

2

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9
Q

Sig Figs in 5385

A

4

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10
Q

Sig Figs in 850

A

2

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11
Q

Sig Figs in 9050.3

A

5

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12
Q

Sig Figs in .023

A

2

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13
Q

Sig Figs in .00067201

A

5

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14
Q

Sig Figs in 9.05 x 10^3

A

3

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15
Q

Sig Figs in 1.70 x 10^-4

A

3

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16
Q

Sig Figs in .00030900

A

5

17
Q

Sig Figs in 12045

A

5

18
Q

Sig Figs in 800,340

A

5

19
Q

Sig Figs in 18.00

A

4

20
Q

Sig Figs in 0.000000000008

A

1

21
Q

Easy way to remember sig figs

A

Period/ Decimal

Go ➡ till whole number than everything counts

Absent period

go ⬅ till whole number than everything counts