What Unit Should Be Used in Division of Meter Squared by Meters?

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Homework Help Overview

The discussion revolves around the division of units, specifically the calculation of 1,035 m² divided by 42 m, and the appropriate unit for the result.

Discussion Character

  • Conceptual clarification, Assumption checking

Approaches and Questions Raised

  • Participants discuss the resulting unit from the division, questioning whether it should be in meters or square meters. There is also mention of significant figures in the context of the calculation.

Discussion Status

Some participants have provided guidance on treating units similarly to algebraic expressions, suggesting a simplification approach. There is an exploration of how significant figures affect the final answer, but no consensus has been reached on the final unit.

Contextual Notes

Participants are considering the implications of significant figures based on the measurement provided (42 m) and how that influences the final answer's precision.

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Homework Statement



1,035m^2 / 42m

What unit will I use? m or m^2

Homework Equations





The Attempt at a Solution



25.0m
 
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If 42m only has 2 SDs, then so should your answer.
 
lewando said:
If 42m only has 2 SDs, then so should your answer.

25m ? not m^2
 
Yes. Treat units just like they were any other factor. You would simplify it the same way you would simplify an algebraic expression like 1035a2/25a. Soon you will be exposed to something called dimensional analysis, a very useful thing to understand.
 

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