If your question is to write it in scientific notation, it's 10^4 and the exponent is 4
I think the answer should be 12.
-12,3 ...................................
Answer:
See explanation
Step-by-step explanation:
Assuming the given polynomial is

We then rewrite in decreasing powers of u, to get:

The leading term is

The leading coefficient is the coefficient of the leading term.
The leading coefficient is -7.