DaiseeX412659 DaiseeX412659
  • 29-10-2022
  • Mathematics
contestada

an=-98+(n-1)(-10) find a78

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RhykerO228394 RhykerO228394
  • 29-10-2022

we have the expression

an=-98+(n-1)(-10)

find a78​

so

For n=78

substitute in the expression

a78=98+(78-1)(-10)

a78=98+(77)(-10)

a78=98-770

a78=-672

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