#### Answer

15

#### Work Step by Step

The degree of a term is the sum of the exponents on the variables contained in the term.
For the term $9.11r^{2}st^{12}$, the sum of the exponents is $2+1+12=15$.
Therefore, the degree of the term is 15.

Published by
Pearson

ISBN 10:
0321785045

ISBN 13:
978-0-32178-504-6

15

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