# Kyle Nolan: Math Quiz

1.  $$x^3-3x^2-10x=0$$
2. $$(1+r)^n$$
3. $$(5.7\times10^{-8})\times(1.6\times10^{12})=9.12\times10^4$$
4. $$\pi L(1-\alpha)R^2=4\pi\sigma T^4R^2$$
5. $12 \text{km} \times \frac{0.6 \text{Mile}}{1 \text{Km}} \approx 7.2 \text{Mile}$
6. $${4,173,445,346.50} \approx {4,200,000,000} =4.2\times10^9$$
7. $50\text{m} \times \frac{3.4\times10^6 \text{kg}} {1 \text{sec}} \times \frac {10 \text{J}}{1 \text{kg} \cdot 1 \text{m}} =1.7 \text{GW}$
8. $$\{5,000} \times (1+0.012)^{30} \approx \{7,150}$$
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