99th term
Step-by-step explanation:
an=a1+(n-1)d
397=5+(n-1)4
397=5+(4n-4)
397-5=4n-4
392+4=4n
396=4n
396/4=4n/4
n=99
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Answers & Comments
99th term
Step-by-step explanation:
an=a1+(n-1)d
397=5+(n-1)4
397=5+(4n-4)
397-5=4n-4
392+4=4n
396=4n
396/4=4n/4
n=99