If you get this right i'll call you daddy and senpai (math)

1. 2.6 x 10^-2, 6.2 x 10^-1, 3.5 x 10^2, 1.5 x 10^4

2.6 x 10^-2, 6.2 x 10^-1, 3.5 x 10^2, 1.5 x 10^4

2.6 x 10^-2, 6.2 x 10^-1, 3.5 x 10^2, 1.5 x 10^4

2.6 x 10^-2, 6.2 x 10^-1, 3.5 x 10^2, 10^4, 1.5 x 10^4

2. 6^5

3. 9^9

Just call me daddy

25/4

step-by-step explanation:

call segment cd's length x. because dc and ab are parallel, angle acd and cab, so triangles adc and abc are similar and we can set up the equation x / ac = ac / ab, or x / 5 = 5 / 4 and x = 25/4.