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PLEASE HELPProve that: 2^13–2^10–2^9 is divisible by 13

PLEASE HELP

Prove that: 2^13–2^10–2^9 is divisible by 13

Answer:See below.Step-by-step ,explanation:2^13 – 2^10 – 2^9Take out the GCF,  2^9 := 2^9 (2^4 - 2 - 1)= 2^9(16 - 3)=13 * 2^9.So it must be divisible by 13....

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