Using Units in Problem Solving, Modeling
Algebra 1 · Flashcards
ALGEBRA 1 · FLASHCARDS
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QUESTION
What cancels in
5
m
s
×
2
s
5\ \frac{\text{m}}{\text{s}}\times 2\ \text{s}
5
s
m
×
2
s
to leave the final unit?
QUESTION
What is the unit of
calories
serving
×
servings
\frac{\text{calories}}{\text{serving}}\times\text{servings}
serving
calories
×
servings
?
QUESTION
What is the meaning of "units" in a measurement or calculation?
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ANSWER
Labels that describe what a number measures (for example,
m
\text{m}
m
,
s
\text{s}
s
,
dollars
\text{dollars}
dollars
). These describe physical quantities with dimension and magnitude.
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