Answer:
230
Step-by-step explanation:
Answer:
B. 1 1/3
Step-by-step explanation:


three can go into 4 once, so we have a whole number of 1 and a leftover 1/3.
=
hope this helps :)
Answer:
Yes
Step-by-step explanation:
Answer:
Step-by-step explanation:
a₁ = 15
a₂/a₁ = 45/15 = 3
a₃/a₂ = 135/45 = 3
...
It is a geometric sequence with a common ratio r=3.
Sum of first 12 terms = a₁·(1-r¹²)/(1-r)
= 15·(1-3¹²)/(1-3)
= 15·(-531,441)/(-2)
= 3,985,800