Convert 0284 Ppb to a Percent and Express the Answer in in Scientific

question 18

Multiple Choice

Convert 0.284 ppb to a percent and express the answer in scientific notation.

• A) 2.84 \(\times\) 10^-8 %
• B) 2.84 \(\times\) 10^-10 %
• C) 2.84 \(\times\) 10^-9 %
• D) 2.84 \(\times\) 10¹⁰ %

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Definitions:

Passive Cigarette Smoke

Inhalation of smoke from cigarettes smoked by others; also known as secondhand smoke, it carries significant health risks for nonsmokers.

Excessive Cerumen

The condition of having an overabundance of earwax, which can lead to blockages and hearing issues.

High-Tone Frequency Loss

A hearing impairment where there is a reduced ability to hear or interpret high-pitched sounds, often affecting perception of speech sounds.

Tympanic Membrane

Otherwise known as the eardrum, it is a thin layer that separates the outer ear from the middle ear and vibrates in response to sound waves.