# Kevin McInerney: Typeset Math Quiz 9/15

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. $$\pi L(1-\alpha)R^2=4\pi\sigma T^4R^2$$
5. $$12 \text{km}\times\frac{0.6\text{mile}}{1 \text{km}}=7.2 \text{mile}$$
1. $12 \text{km}\times\frac{0.6\text{mile}}{1\text{km}}=7.2\text {mile}$
6. $$4,173,445,346.50\approx 4,200,000,000=4.2\times 10^9$$
7. $50\text {m}\times\frac{3.4\times 10^6\text {kg}}{1\text {sec}}\times\frac{10\text{J}}{1\text{kg}\times 1\text{m}}=1.7\text{GW}$
8. $$5,000\times (1+0.012)^{30}\approx 7,150$$
This entry was posted in Math Quiz. Bookmark the permalink.