





inch → centimeter conversion 





precisionhow closely one’s measurements agree with one another
;
accuracyhow closely one’s measurements agree with the actual value


Rules for multiplication and division of significant figures: 

The answer contains the same number of significant figures as the measurement with the fewest number of significant figures 

Rules for addition and subtraction of significant figures 

Answer has the same number of decimal places as the measurement with the fewest decimal places 

Rules for significant figures: 

1. Zeros between nonzero digits are always significant
2. Zeros at the beginning of a number are never significant
3. Zeros at the end of a number are significant if the number contains a decimal point








Formula for volume of a cube: 


Formula for celcius → fahrenheit 


Formula for fahrenheit → celcius 


Formula for celcius → Kelvin 


SI unit for luminous intensity 


SI unit for electric current 


SI unit for the amount of a substance 











abbreviation: G
meaning:10^{9}



abbreviation: M
meaning: 10^{6}



abbreviation: k
meaning: 10^{3}



abbreviation: dec
meaning: 10^{1}



abbreviation: d
meaning: 10^{1}



abbreviation: c
meaning: 10^{2}



abbreviation: m
meaning: 10^{3}



abbreviation: μ
meaning: 10^{6}



abbreviation:n
meaning: 10^{9}



abbreviation: p
meaning: 10^{12}



abbreviation: f
meaning: 10^{15}

