8 days because you multiply 1/10 x 8 = 8/10 after you simplify it you get 4/5 Hope it helped
Answer:
20
Step-by-step explanation:
x - 9 = 11
+9 +9
x = 20
An alternating series

converges if

is monotonic and

as

. Here

.
Let

. Then

, which is positive for all

, so

is monotonically increasing for

. This would mean

must be a monotonically decreasing sequence over the same interval, and so must

.
Because

is monotonically increasing, but will still always be positive, it follows that

as

.
So,

converges.
Answer:
1, -1 , -3 ,3
Step-by-step explanation:
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