click below
click below
Normal Size Small Size show me how
Significant Digits J
Counting, Rounding and Calculating with Sig. Figures
Question | Answer |
---|---|
1,2,3,4 are what type of numbers? Are they significant? | Non-Zero ; Yes |
numbers that are always significant | non-zero , trapped zeros , trailing zeros with a decimal |
Is important when rounding the answer of multiplication or division | least number of significant figures |
numbers that are NEVER significant | leading zeros, trailing zeros without a decimal |
Is important when rounding the answer to addition or subtraction | least number of decimal places |
When a number written in its normal form can't be rounded to the correct number of significant figures, place it in _________ | scientific notation |
2 Ways to have unlimited significant figures | a math definition/conversion or an exact count |
SI system of measurements is based on this older system | metric |
The exactness of a single measurement; The closeness of a series of measurements | precison |
Getting close to the true or accepted value | accuracy |
Rounding Rule: 4 or less | stay the same |
Rounding Rule: 5 or more | round up |
Know this acronym for the order of math operations | PEMDAS |
mass divided by volume | density |
The measure of how "wrong" your value is to the expected value in percent | percent error |