10 over the power of negative 4
Answer:
c
Step-by-step explanation:
Explanation:
Let's call our number
a
. The statement written as a formula is
a
12
a
9
=
125
We can simplify the fraction, and we have
a
3
=
125
To solve for
a
, take the third root of both sides:
a
=
(
125
)
1
3
=
5
X = 15
2x + 15 = 3x
-2x -2x
x = 15