Simplify 6 to the negative 3rd power over 6 to the 5th

6

Step-by-step explanation:

6 to the -3 power then to 6 to the 5th.

Getting 5.95374181e-7, simplfied made into a 6. Or a 5.9, most likely 6.

it's equivalent, so we can say that its equal.

let's call the denominator x and the numerador is 18 less then denominator, x - 18.

multiply

2.x = 5.(x - 18)

2x = 5x - 90

90 = 5x - 2x

90 = 3x

x = 90/3

x = 30

so: