These must be memorized, you do not get an equation chart

Conversions

1 Million = 10⁶

1 Billion = 10⁹

Mega- = 10⁶

You must be able to do dimensional analysis.

Metric Conversions

Rule of 70 (Doubling Time)

Percent Change

Net Primary Productivty

Growth Rate

Multiply by 100 for percentage!