Answer:
36
Step-by-step explanation:
![-2[-6(-4+7)]\\\\=(-2)(-6)(3)\\\\=12(3)\\\\=36](https://tex.z-dn.net/?f=-2%5B-6%28-4%2B7%29%5D%5C%5C%5C%5C%3D%28-2%29%28-6%29%283%29%5C%5C%5C%5C%3D12%283%29%5C%5C%5C%5C%3D36)
I believe you have 6 bacteria 120 divided by 20 is 6 so
Answer:
1. 0
Step-by-step explanation:
I don't know the even number one. (−1)^r when r is an odd integer greater than 1 always will equal -1 then -1 + 1 = zero
Both 9 and 12 can be divided by 3.
Divide both 9 and 12 by 3.
9/3=3 12/3=4
9/12=3/4
3/4 is the simplest form of 9/12
