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Mathematics
Bella Williamson
20 March, 23:41
1.30th term of A. P; 10, 7, 4 ... is
+3
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Dominick Pena
21 March, 02:31
0
The 30th term of the sequence is - 77
Step-by-step explanation:
The formula for finding the nth term of of an AP is expressed as
Tn = a + (n-1) d
n is the number of terms of the sequence
a is the first term
d is the common difference
Given the AP 10, 7, 4 ...
The first term a = 10
number of term = 30 (since we are looking for the 30th term of the sequence)
d = 7-10 = 4-7 = - 3
on substitution;
T30 = 10 + (30-1) * -3
T30 = 10+29 (-3)
T30 = 10-87
T30 = - 77
The 30th term of the sequence is - 77
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