Answer:
Plass 4 every time
Step-by-step explanation:
For this case we have to:
x: Represents the unknown number
y: Represents the exponent of base 10
So, considering a system of equations we have:

From the first equation we have:

Substituting in the second equation:

We choose the positive value:

So, the number is 0.4.
So:

Thus, the exponent is 5.
Answer:
Yara use 0.4 and
Answer:
c = -64
Explanation:
c/(-4) = 16
multiply the equation by -4,
c/(-4) × (-4) = 16 × (-4)
c = 16 × (-4)
c = -64
Answer:
7
Step-by-step explanation:
because 105/15=7
84/12=7
28/4=7
so 1x7=7
Answer:
1 true good statement can prove his friend wrong.
Step-by-step explanation:
Answer is 1.