Which of the Following Is the Symbol for Summation?
A) $\Delta$

question 4

Multiple Choice

Which of the following is the symbol for summation?

• A)\(\Delta\)
• B)\( \eta \)
• C)\(\chi\)
• D)\(\Sigma\)

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Definitions:

Compound Interest

The calculation of interest for deposits or loans that takes into account both the starting principal and previously accrued interest.

Exponential Decay

A process described by a decrease in quantity at a rate proportional to its current value, often observed in radioactive decay and depreciation of assets over time.

Complex Arithmetic

Mathematical operations that involve complex numbers, including addition, subtraction, multiplication, and division, where complex numbers are numbers with both real and imaginary parts.

Fraction Notation

A way of expressing a portion of a whole, using two numbers divided by a bar or slash, where the top number (numerator) is divided by the bottom number (denominator).