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Math Tools Quiz - Chapter 1
N/A
12
Chemistry
Undergraduate 3
08/28/2011

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Term
significant figures
Definition
provide information on the precision of a measurement
Term
precision of a measurement
Definition
include all digits in a measurement which are known with certainty, plus a last digit which must be estimated
Term
digital device
Definition
number of significant figures is everything that is shown
Term
graduated device
Definition
all places that are marked, plus one visually estimated
Term
always significant
Definition
zeroes in the middle of a number
Term
never significant
Definition
zeroes at the beginning of a number
Term
significant only if there is a decimal point in the number
Definition
zeroes at the end of a number
Term
no more significant figures than the least precise number
Definition
for division and multiplication problems
Term
no fewer decimal places than either of original numbers
Definition
for addition and subtraction problems
Term
exact numbers
Definition
numbers with no uncertainty. Ex: equivalence statement
Term
Marvelous king hector died by drinking chocolate milk monday night
Definition
number line phrase
Term
Mega, space, space, kilo, hecta, deka, base, deci, centi, milli, space, space, micro, space, space, nano
Definition
Metric conversion number line
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