Approximately How Many People Suffer from Multiple Sclerosis in the World

question 21

Multiple Choice

Approximately how many people suffer from multiple sclerosis in the world population?

• A) 1 million
• B) 2 million
• C) 3 million
• D) 4 million

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Definitions:

Expression

An expression in mathematics is a combination of symbols that can represent a number, variable, operation, or a combination thereof, without an equality sign.

X

Often used to represent an unknown variable in algebraic equations or the horizontal axis in Cartesian coordinate systems.

Y

Often used to denote the dependent variable or the output value in a function, commonly represented on the vertical axis in a Cartesian coordinate system.

Positive Exponents

Powers of a number that signify how many times the number is multiplied by itself.