ANSWER
[tex] \\ \\ [/tex]
To find the value of a3 in the suquence an=10n-1, change the n value to the number needed which is 3.
[tex] \\ an \tiny3 = \small10n - 1 \\ [/tex]
Change n to 3
[tex] \\ a(3) = 10(3) - 1 \\ [/tex]
Multiply 10 and 3
[tex] \\ a(3) = 30 - 1 \\ [/tex]
Subtract 1 from 30
[tex] \\ \boxed{ \green{a(3) = 29}} \\ \\ [/tex]
[tex] \\ [/tex]
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