1:2
Similar to the 1/2 fraction, 1:2 is a simplified ratio of a half.
Password to what exactly?
Answer:

Explanation:
<em>Please refer to the attached image for the Solution</em>
Answer:
a, (x^2)^3 = x^6 = x^2.x^4
b, x^5·x^7 = x^12 = (x^3)^4
c, x^4·x^22 = x^26 = (x^2)^13
d, (x^2)^8 = x^16 = x^2.x^14
e, x^10/x^3 = x^7 = x^20.x^(-13)
f, x^(-3) = x^4.x^(-7)
g, 1/x^(-3) = x^3 = x^4.x^(-1)
Hope this helps!
:)
2arctan(2/5) = 44°
180° -44° = 136°
The angles are 44°, 136°.