x^9 x^2/x^7

To solve this expression, we will simplify it step by step.

First, let's combine the x^9 terms in the numerator:

x^9 * x^2 = x^(9+2) = x^11

Next, let's simplify the denominator:

x^7

Now, we can divide the numerator by the denominator:

(x^11)/(x^7) = x^(11-7) = x^4

Therefore, the simplified expression is x^4.

(5p^8q^3) ( 2pq^7)

To simplify this expression, we will multiply the two terms together.

(5p^8q^3) (2pq^7)

First, let's multiply the coefficients:

5 * 2 = 10

Now, let's multiply the p terms:

p^8 * p = p^(8+1) = p^9

Finally, let's multiply the q terms:

q^3 * q^7 = q^(3+7) = q^10

Putting it all together, the simplified expression is:

10p^9q^10

(5p^9q^3) ( 2pq^7)

To simplify this expression, we will multiply the two terms together.

(5p^9q^3) (2pq^7)

First, let's multiply the coefficients:

5 * 2 = 10

Next, let's multiply the p terms:

p^9 * p = p^(9+1) = p^10

Finally, let's multiply the q terms:

q^3 * q^7 = q^(3+7) = q^10

Putting it all together, the simplified expression is:

10p^10q^10