She made an error in the STEP 1
she shouldnt multiply the numbers
Answer:
100 is the answer
Step-by-step explanation:
12 x 16 = 192 square inches
White light is the answer.
Also known as visible light consist of a spectrum of different waves. Technically, white is not a color or a wavelength characterized by a white color. Rather, White light is a combination of many colors of the visible spectrum. It shows the full spectrum of electromagnetic spectrum.
The value written as 2/7 is a rational number and the other options are irrational numbers.
<h3>What is a rational number?</h3>
A rational number is a number that does not end in a non terminating decimal. Surd forms as well as the value pi are all irrational numbers. We must note that the option that has no surd form or pi as a denominator is a rational number.
Hence; the value written as 2/7 is a rational number and the other options are irrational numbers.
Learn more about rational numbers:brainly.com/question/14297987
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