4¹ = 4
4² = 16
4³ = 64
4⁴ = 256
(4⁵ = 1,024)
Can’t see that properly can’t you write it bigger or something
Y=2/3x-5
That is the regular slope-intercept form
Start at -35
three descents of 145m adds to a total descent of 435m
-35-435=-470. the final depth is not greater than 500m
