# Exponentials and indices

- Adding indices when you multiply
- Subtracting indices when you divide
- Raising powers to powers
- The zero index or exponent
- Negative indices or exponents
- Evaluating versus simplifying
- Indices and exponents that are fractions
- Fractional indices with numerators larger than one
- Common cube roots

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- Problems extending exponential graphs
- Guessing the exponential relationship from a graph