notes sig figs

Notes Sig FigsNotes Sig Figs

RULES for SIG FIGSRULES for SIG FIGS1.1. Non-zero digits and zeroes between Non-zero digits and zeroes between

non-zero digits are always non-zero digits are always significantsignificant

RULES for SIG FIGSRULES for SIG FIGS1.1. Non-zero digits and zeroes between Non-zero digits and zeroes between

non-zero digits are always non-zero digits are always significantsignificant

404= 3(because the zero counts here)404= 3(because the zero counts here)

RULES for SIG FIGSRULES for SIG FIGS1.1. Non-zero digits and zeroes between Non-zero digits and zeroes between

non-zero digits are always non-zero digits are always significantsignificant

404= 3(because the zero counts here 404= 3(because the zero counts here think of a sandwich) think of a sandwich)

686 = 3 (because all regular numbers 686 = 3 (because all regular numbers except zero…..always count)except zero…..always count)

Rules for SIG FIGSRules for SIG FIGS2. Leading zeroes are not significant2. Leading zeroes are not significant

Rules for SIG FIGSRules for SIG FIGS

2. Leading zeroes are not significant2. Leading zeroes are not significant

005= 1 sig fig (leading zeroes)005= 1 sig fig (leading zeroes)

Rules for SIG FIGSRules for SIG FIGS2. Leading zeroes are not significant2. Leading zeroes are not significant

005= 1 sig fig (leading zeroes)005= 1 sig fig (leading zeroes)

0.001 = 1 sig fig (leading zeroes don’t 0.001 = 1 sig fig (leading zeroes don’t count….start counting when you count….start counting when you get to an actual number)get to an actual number)

Rules for Sig FigsRules for Sig Figs3. Zeroes to the right of all non-zero 3. Zeroes to the right of all non-zero

digits are only significant if a decimal digits are only significant if a decimal point is shownpoint is shown

Rules for Sig FigsRules for Sig Figs3. Zeroes to the right of all non-zero 3. Zeroes to the right of all non-zero

digits are only significant if a decimal digits are only significant if a decimal point is shownpoint is shown

0.010 (2 sig figs……because of the 0.010 (2 sig figs……because of the Decimal point being there)Decimal point being there)

10 = 1 sig fig 10. = 2 sig figs10 = 1 sig fig 10. = 2 sig figs

Rules for Sig FigsRules for Sig Figs4. For values written in scientific 4. For values written in scientific

notation, the digits in the coefficient notation, the digits in the coefficient are significantare significant

6.82 * 106.82 * 102 = 2 = 3 sig figs3 sig figs

Number 1Number 1

12341234

Number 1Number 1

1234 = 4 sig figs1234 = 4 sig figs

Number 2Number 2

1. 0506 =1. 0506 =

Number 2Number 2

1. 0506 = 5 sig figs1. 0506 = 5 sig figs

Number 3Number 3

320 =320 =

Number 3Number 3

320 = 2 sig figs320 = 2 sig figs

Number 4Number 4

Write in scientific notationWrite in scientific notation

450450

Number 4Number 4

Write in scientific notationWrite in scientific notation

450 = 4.50 * 10450 = 4.50 * 1022

Number 5Number 5

Write in scientific notationWrite in scientific notation

0.00457 = 0.00457 =

Number 5Number 5

Write in scientific notationWrite in scientific notation

0.00457 = 4.57 * 100.00457 = 4.57 * 10-3-3

Number 6Number 6

Write in scientific notationWrite in scientific notation

45694569

Number 6Number 6

Write in scientific notationWrite in scientific notation

4569 = 4.569 * 104569 = 4.569 * 1033

Number 7Number 7

Fill in the following for something Fill in the following for something that has a density of 2.4 g/ml and a that has a density of 2.4 g/ml and a volume of 12 ml.volume of 12 ml.

D=D=

M=M=

V= V=

Number 7Number 7

Fill in the following for something Fill in the following for something that has a density of 2.4 g/ml and a that has a density of 2.4 g/ml and a volume of 12 ml.volume of 12 ml.

D= 2.4 g/mlD= 2.4 g/ml

M=M=

V= V=

Number 7Number 7

Fill in the following for something Fill in the following for something that has a density of 2.4 g/ml and a that has a density of 2.4 g/ml and a volume of 12 ml.volume of 12 ml.

D= 2.4 g/mlD= 2.4 g/ml

M=M=

V= 12 mlV= 12 ml

Number 7Number 7

Fill in the following for something Fill in the following for something that has a density of 2.4 g/ml and a that has a density of 2.4 g/ml and a volume of 12 ml.volume of 12 ml.

D= 2.4 g/mlD= 2.4 g/ml

M=M=

V= 12 mlV= 12 ml

Number 7Number 7

Fill in the following for something Fill in the following for something that has a density of 2.4 g/ml and a that has a density of 2.4 g/ml and a volume of 12 ml.volume of 12 ml.

D= 2.4 g/mlD= 2.4 g/ml

M=M=

V= 12 mlV= 12 ml

Number 7Number 7

Fill in the following for something Fill in the following for something that has a density of 2.4 g/ml and a that has a density of 2.4 g/ml and a volume of 12 ml.volume of 12 ml.

D= 2.4 g/mlD= 2.4 g/ml

M=M=

V= 12 mlV= 12 ml

Number 7Number 7

Fill in the following for something Fill in the following for something that has a density of 2.4 g/ml and a that has a density of 2.4 g/ml and a volume of 12 ml.volume of 12 ml.

D= 2.4 g/mlD= 2.4 g/ml

M=M=

V= 12 mlV= 12 ml

Number 7Number 7

Fill in the following for something Fill in the following for something that has a density of 2.4 g/ml and a that has a density of 2.4 g/ml and a volume of 12 ml.volume of 12 ml.

D= 2.4 g/mlD= 2.4 g/ml

M=M=

V= 12 mlV= 12 ml

Number 7Number 7

Fill in the following for something Fill in the following for something that has a density of 2.4 g/ml and a that has a density of 2.4 g/ml and a volume of 12 ml.volume of 12 ml.

D= 2.4 g/mlD= 2.4 g/ml

M=M=

V= 12 mlV= 12 ml

Fill in the following for something Fill in the following for something that has a density of 2.4 g/ml and a that has a density of 2.4 g/ml and a volume of 12 ml.volume of 12 ml.

D= 2.4 g/mlD= 2.4 g/ml

M=M=

V= 12 mlV= 12 ml