Answer:
3
Step-by-step explanation:
Take 20 % of the 15 trees in the backyard
.20 * 15
3
There are 3 oak trees in the backyard
Answer:
Step-by-step explanation:
The vote goes half and half: 7 draw, 7 other activities.
Half and half of 20 students works out to 10 draw, 10 engage in other activities.
Answer:
354.
Step-by-step explanation:
Exponential growth:
380 = 200e^(k*9) where k is a constant to be found.
e^9k = 380/200 = 19/10
ln e^9k = ln 1.9
9k = ln 1.9
k = ln 1.9 / 9
k = 0.071
After 8 hours:
Number of bacteria =
200*e^(8*0.071)
= 354.
Answer: ![\bold{8\sqrt[5]{8} }](https://tex.z-dn.net/?f=%5Cbold%7B8%5Csqrt%5B5%5D%7B8%7D%20%7D)
<u>Step-by-step explanation:</u>
![64^{\frac{3}{5}}\\\\=2^{6(\frac{3}{5})}\\\\=2^{\frac{18}{5}}\\\\=2^{\frac{15}{5}}\cdot 2^{\frac{3}{5}}\\\\=2^3\cdot \sqrt[5]{2^3} \\\\=\boxed{8\sqrt[5]{8} }](https://tex.z-dn.net/?f=64%5E%7B%5Cfrac%7B3%7D%7B5%7D%7D%5C%5C%5C%5C%3D2%5E%7B6%28%5Cfrac%7B3%7D%7B5%7D%29%7D%5C%5C%5C%5C%3D2%5E%7B%5Cfrac%7B18%7D%7B5%7D%7D%5C%5C%5C%5C%3D2%5E%7B%5Cfrac%7B15%7D%7B5%7D%7D%5Ccdot%202%5E%7B%5Cfrac%7B3%7D%7B5%7D%7D%5C%5C%5C%5C%3D2%5E3%5Ccdot%20%5Csqrt%5B5%5D%7B2%5E3%7D%20%5C%5C%5C%5C%3D%5Cboxed%7B8%5Csqrt%5B5%5D%7B8%7D%20%7D)
