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1: Measurement Basics

Students convert between SI-prefixed units, choose values with the correct order of magnitude, select appropriate pipet sizes, and apply metric prefixes to compare concentrations or volumes.

Orders of Magnitude for Given Quantities

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Convert between metric prefixes and orders of magnitude for laboratory measurements.
Which one of the following values is equal to: 20 nmol?

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Pipette Sizes for Given Volumes

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Which pipet and setting would you use to pipet 470 μL using only one step?
Hint: Red digits indicate the different decimal place value.

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