Answer:
x=4
Step-by-step explanation:
3^(x-1)=27
=>3^(x-1)=3³
=>(x-1)=3
=>x=4
The fifth term in the sequence would be 161.
Step-by-step explanation:
We have to find the fifth term in the sequence 
Given that
a1 = 1 (that is the first term)
If we follow the formula, the value of every term depends on the value of immediate lower term. Therefore, the a2 can be calculated by putting 2 in place of n in above equation


as a1 = 1

Similarly,


as a2 = 5

and


as a3= 17

and


as a4 = 53

Therefore, the fifth term in the sequence would be 161.
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Keywords: sequence, arithmetic series
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Answer: 11.7
Step-by-step explanation: 90*0.13=11.7
Multiply the main number by the percentage, to find the answer.
1% is 0.01
10% is 0.1
(3/4)/3
3/12
1/4
So he spent a 1/4 hour milking each group.
First, see how much money you have:
10 + 3(5) + 8(1) + 12(0.25) + 5(0.1) + 10(0.05) =
10 + 15 + 8 + 3 + 0.5 + 0.5 =
37
You need to deposit $7 into the safe, since 37 - 7 = 30.