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