https://file.aiquickdraw.com/mathbot/file/1727464588547166dx922.jpg

Let's solve the given problem: 

We need to multiply:

\[
-2u^9 \cdot 7u
\]

First, simplify by multiplying the coefficients:

\[
-2 \times 7 = -14
\]

Now, multiply the variables:

\[
u^9 \times u^1 = u^{9+1} = u^{10}
\]

So, the simplified expression is:

\[
-14u^{10}
\]

Would you like a more detailed explanation, or do you have any questions?

Here are some related questions to expand your understanding:
1. How do you multiply coefficients in algebraic expressions?
2. What is the rule for multiplying variables with the same base?
3. Can you apply this rule to other exponents, like \(a^4 \times a^5\)?
4. How would you multiply a negative number by a positive one?
5. What changes if there were multiple variables involved, like \( -2u^9 v^3 \times 7uv \)?

**Tip:** When multiplying powers with the same base, simply add the exponents.

Multiply: -2u^9 * 7u. Simplify your answer as much as possible.

Learn how to simplify the algebraic expression -2u^9 * 7u using exponent rules. This problem covers algebraic concepts like multiplying coefficients and adding exponents. Suitable for students in Grades 8-10.

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