Kaitlyn Zirrith: Math Quiz

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