The answer is C for this question
Answer:
Multiplication and Division unless there are parentheses
Step-by-step explanation:
Answer: First Option : Sₙ= n/2(a₁ + aₙ)
Step-by-step explanation:
The nth partial sum of an arithmetic sequence or the sum of the first n terms of the arithmetic series can be defined as the sum of a finite number of term in an arithmetic sequence.
It is calculated using the formula:
Sₙ= n/2(a₁ + aₙ)
Where :
a₁ = First term
aₙ = last term
n = number of terms
Shii ion even know maybe A
Answer:
A.
Step-by-step explanation:
The total amount Akash paid in those 3 months for his cell phone bill.
