Answer:
a - 12 seconds (1/5 minute)
b - 5
Step-by-step explanation:
Answer:
-3/13
Step-by-step explanation:
Answer:
x=3
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Answer:
19th term = ar^18
19th term = 774,840,978
Step-by-step explanation:
First term, a = 2
Common ratio, r = 3
nth term of a geometric sequence = ar^(n-1)
19th term = ar^(19-1)
19th term = ar^18
= 2 × 3^18
= 2 × 387,420,489
= 774,840,978
19th term = 774,840,978