. Grade 8, Illustrative icon

Choosing appropriate units

Illustrative MathematicsVaries

The purpose of this task is to use scientific notation in the context of choosing units to report quantities. The teacher may wish to have students reflect on how the choice of units in each part either helps or hinders our ability to grasp the quantity under consideration. Scientific notation is particularly useful when the quantities being described are very small or very large (though a good choice of units can often remove the need for these small or large quantities).

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