Respuesta :

wegnerkolmp2741o

Answer:

a = 10   b = 6

Step-by-step explanation:

7^2 * 7^8

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7^4

We know that a^b* a^c = a^( b+c)

7^(2+8)

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7^4

7^(10)

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7^4

We know that a^b / a^c = a^(b-c)

7^(10-4) = 7^6