Following the Rules for the Order of Operations,what Is the Result

question 43

Multiple Choice

Following the rules for the order of operations,what is the result of the following expression: 1 + 2 * 5 ^ 2?

• A) 225
• B) 121
• C) 101
• D) 51

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Definitions:

Eardrum

A thin membrane in the ear that vibrates in response to sound waves, thereby transmitting sound to the inner ear.

Sound Waves

Sounds that move through air or a different substance and become audible when they arrive at a person's or animal's eardrum.

Frequencies

The rate at which a vibration occurs that constitutes a wave, either in a material (as in sound waves) or in an electromagnetic field (as in radio waves and light), usually measured in hertz.

Hz

Hertz, a unit of frequency in the International System of Units (SI) that measures the number of cycles per second of any periodic event.