Respuesta :

Answer:

C) 45

Step-by-step explanation:

⁵∑i = ₁ 3i represents the summation of 3i for i ranging from 1 to 5.

⁵∑i = ¹³i = 3(1) + 3(2) + 3(3) + 3(4) + 3(5) = 3 + 6 + 9 + 12 + 15 = 45

So, the answer is C) 45.