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Help again plaaseeeeeee

Help again plaaseeeeeee-example-1
User Kimkisha
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1 Answer

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a_1=57\\\\d=66-57=9\\\\\\a_(350)=57+(350-1)\cdot9=57+349\cdot9=57+3141=\boxed{3198}

Answer B.
User Sharmile Murugaraj
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