I’m pretty sure it would be the third option, 162
On the negative plane field? because everything on the - side is negative.
Answer:
A's average speed is 100. I did this same thing and passed my grade.
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