Answer:
64/49
Step-by-step explanation:
The applicable rules of exponents are ...
(a^b)^c = a^(bc)
(a^b)(a^c) = a^(b+c)
a^-b = 1/a^b
a^0 = 1
_____
Using these rules, we can simplify the given expression to ...
![\left(\dfrac{8\cdot 4\cdot 2}{8\cdot 7}\right)^2\times\left(\dfrac{8^0}{7^{-3}}\right)^3\times 7^{-9}\\\\=\dfrac{8^2}{7^2}\times(8^{0\cdot 3}\cdot 7^{3\cdot 3})\times 7^{-9}\\\\=\dfrac{64}{49}\times(8^07^{9-9})=\boxed{\dfrac{64}{49}}](https://tex.z-dn.net/?f=%5Cleft%28%5Cdfrac%7B8%5Ccdot%204%5Ccdot%202%7D%7B8%5Ccdot%207%7D%5Cright%29%5E2%5Ctimes%5Cleft%28%5Cdfrac%7B8%5E0%7D%7B7%5E%7B-3%7D%7D%5Cright%29%5E3%5Ctimes%207%5E%7B-9%7D%5C%5C%5C%5C%3D%5Cdfrac%7B8%5E2%7D%7B7%5E2%7D%5Ctimes%288%5E%7B0%5Ccdot%203%7D%5Ccdot%207%5E%7B3%5Ccdot%203%7D%29%5Ctimes%207%5E%7B-9%7D%5C%5C%5C%5C%3D%5Cdfrac%7B64%7D%7B49%7D%5Ctimes%288%5E07%5E%7B9-9%7D%29%3D%5Cboxed%7B%5Cdfrac%7B64%7D%7B49%7D%7D)
Ce clasă ești sa văd daca te pot ajuta
The answer would be b , because the line is pointing down which makes it a negative slope .
Answer:
12%
Step-by-step explanation:
75/84= 0.88 then you do 1-0.88= 0.12. 12%
<u>answer:</u> ![x = 18](https://tex.z-dn.net/?f=x%20%3D%2018)
<u>work:</u>
| subtract 12 on both sides, and solve.
| divide by
on both sides, and solve.
| final answer.
hope this helps! ❤ from peachimin