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Simplify using a common base
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Learn it Rewrite every number as a power of the same base (4 = 2², 8 = 2³, 9 = 3², 27 = 3³), then use the exponent laws.
Example: $\frac{2^5 \times 4^3}{8^4}$
- $4^3 = (2^2)^3 = 2^6$, $8^4 = (2^3)^4 = 2^{12}$.
- Exponent: $5 + 6 - 12 = -1$.
- $2^{-1} = \frac{1}{2}$.
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