Answer:
![2.17 \times 10^{-1}](https://tex.z-dn.net/?f=2.17%20%5Ctimes%2010%5E%7B-1%7D)
Step-by-step explanation:
![(7 \times 10 ^{-6}) + 0.26 - (5 \times 10^{-2}) = \frac{7}{10^3} + \frac{26}{10^2}-\frac{5}{10^2}](https://tex.z-dn.net/?f=%287%20%5Ctimes%2010%20%5E%7B-6%7D%29%20%2B%200.26%20-%20%285%20%5Ctimes%2010%5E%7B-2%7D%29%20%3D%20%5Cfrac%7B7%7D%7B10%5E3%7D%20%2B%20%5Cfrac%7B26%7D%7B10%5E2%7D-%5Cfrac%7B5%7D%7B10%5E2%7D)
![= \frac{7 + (26 \times 10) - ( 5 \times 10)}{10^3}\\\\=\frac{7 + 260 - 50 }{10^3}\\\\=\frac{217}{10^3}\\\\= 2.17 \times 10^2 \times 10^{-3}\\\\= 2.17 \times 10^{-1}](https://tex.z-dn.net/?f=%3D%20%5Cfrac%7B7%20%2B%20%2826%20%5Ctimes%2010%29%20-%20%28%205%20%5Ctimes%2010%29%7D%7B10%5E3%7D%5C%5C%5C%5C%3D%5Cfrac%7B7%20%2B%20260%20-%2050%20%7D%7B10%5E3%7D%5C%5C%5C%5C%3D%5Cfrac%7B217%7D%7B10%5E3%7D%5C%5C%5C%5C%3D%202.17%20%5Ctimes%2010%5E2%20%5Ctimes%2010%5E%7B-3%7D%5C%5C%5C%5C%3D%202.17%20%5Ctimes%2010%5E%7B-1%7D)
Answer: Right
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<span>(t) = 0 gives
</span><span>-24t + 60 = 0
</span><span>t = 2.5
</span><span>For this t, the second derivative s"(t) = -24 is negative. And so, s(t) is maximum for t = 2.5.
</span><span>Maximum height is S = -12(2.5)^2 + 60(2.5) +8 = 233ft</span>
Answer:
x = 68
Step-by-step explanation:
sum of interior angles of 5-sided figure is 3(180°) or 540°
5x + 200 = 540
5x = 340
x = 68