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riadik2000 [5.3K]
2 years ago
8

Please help me if you can​

Mathematics
2 answers:
Alenkinab [10]2 years ago
7 0
R^19 is the answer to your question
tensa zangetsu [6.8K]2 years ago
3 0

Answer:

7. r^{19}

Step-by-step explanation:

r^11 x r^8 =

r^11 + 8=

2^19

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