Maria Canlas: 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. \( 12 \text { km } \times \frac {0.6 \text { mile }}{ 1 \text{ km }} \approx 7.2 \text { mile } \)

\[ 12 \text { km } \times \frac {0.6 \text { mile }}{ 1 \text{ km }} \approx 7.2 \text { mile } \]

6. \(4,173,445,346.50 \approx 4,200,000,000 = 4.2 \times 10^9 \)

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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