How Large Is the World's Population Today

question 26

Multiple Choice

How large is the world's population today?

• A) 6 billion
• B) 6.5 billion
• C) 7.4 billion
• D) 8 billion

---

Definitions:

Fourth Root

The number that when multiplied by itself three times equals the original number.

Radical Equation

An equation that features a variable contained within a radical symbol or square root.

Imaginary Unit

A mathematical concept represented by \(i\), used to describe the square root of -1, fundamental in complex number theory.

Standard Form

In mathematics, standard form can refer to a way of writing numbers using the digits 0-9, with each digit having a place value. In the context of linear equations, it refers to Ax + By = C, where A, B, and C are integers.