A ratio is like a fraction, so since you are provided with the numbers its easy to put it into a ratio
depth is 3.8km
width is 7600km
ratio is 3.8:7600
It is 391 because 1+0=1, 9+0=9, and 1+2=3
It’s the second 1 in the top corner , where the u line is perfect and the slanted line is perfect
Hello :
<span>(x^6)^3 = x^18</span>