Measurement Problem (Approximate Sum) – Khan Academy Help Center

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Christopher Cuya

January 17, 2018 02:26

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What is the approximate sum of the following masses in milligrams:

a.) 1.0 g

b.) 1.0 mg

c.) 1.0 kg

I don't know which topic covers in Physics Measurement Problem

Can you give solutions on how to work this problem

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Aria A

January 17, 2018 20:31
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You need to convert a and c to milligrams, then add them.

Watch this for a refresher on unit conversions:

https://www.khanacademy.org/math/algebra/units-in-modeling/rate-conversion/v/dimensional-analysis-units-algebraically

https://www.khanacademy.org/math/in-fifth-grade-math/big-heavy/volume-1/v/conversion-between-metric-units

Search "dimensional analysis" and "unit conversions" on Khan Academy for more of info on that.

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