Express the Sum Using Summation Notation $$2 + 8 + 18 + \ldots + 72$$

question 52

Multiple Choice

Express the sum using summation notation. Use 1 as the lower limit of summation and i for the index of summation.
- $$2 + 8 + 18 + \ldots + 72$$

• A) \(\sum _ { \mathrm { i } = 1 } ^ { 6 } 2 ^ { 2 } \mathrm { i }\)
• B) \(\sum _ { \mathrm { i } = 1 } ^ { 6 } 2 \mathrm { i } ^ { 2 }\)
• C) \(\sum _ { \mathrm { i } = 0 } ^ { 6 } 2 \mathrm { i } ^ { 2 }\)
• D) \(\sum _ { i = 1 } ^ { 6 } i ^ { 2 }\)

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Definitions:

Umbilical Cord

A flexible cord-like structure containing blood vessels and attaching a mammal fetus to the placenta during gestation.

Extraembryonic Membrane

Membranes outside the embryo that contribute to the developing embryo's life support system in various ways, such as gas exchange and waste management.

Placenta

An organ that develops in the uterus during pregnancy, providing oxygen and nutrients to and removing waste from the developing fetus through the umbilical cord.

Human Embryo

The early developmental stage of humans following conception and prior to fetal development.