# Exponents Question

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- [math]2^2 + r^2[/math]
- [math]4r[/math]
- [math]4r^2[/math]
- [math]16[/math]

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Simplify [math](2r)^2[/math].

- [math]2^2 + r^2[/math]
- [math]4r[/math]
- [math]4r^2[/math]
- [math]16[/math]

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