Answer:
The pattern is subtract 9 (OR -9)
Step-by-step explanation:
100 - 91 = 9
91 - 82 = 9
82 - 73 = 9
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Answer:
see below
Step-by-step explanation:
100 - 91 = 9
91 - 82 = 9
82 - 73 = 9
we are subtracting 9 from each term
an+1 = an-9
or an = a1 + d (n-1) where an is the nth term, a1 is the 1st term d is the common difference and n is the term number
an = 100 -9(n-1)
an = 100 -9n+9
an = 109-9n
