**Pre-Reading: **If a distance *d* has units of meters (m), and a time *T* has units of seconds (s), does the quantity *T* + *d* make sense physically? Explain.

**Reading Assignment: ***Walker*, Sections 1-3 and 1-5 (pages 4-5 and 8-10)

**Video:**

**After Reading: **Give ONE example of when scientific notation could be useful. Give ONE example of when dimensional analysis could be useful.

**Extra Practice (Optional or for studying)**

02.dimensional analysis Power Point

_ap-converting Practice

scientific notation Practice

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