In Store A the price of mayonnaise went
down from $4.31 to $3.71. In Store B, it went
from $8.09 to $7.23. In Store C it went from
$8.07 to $3.53.

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Step-by-step explanation:

What is the question?

Step-by-step explanation:

one set of data has more variation than the other. hope this !

explanation:

infrared radiation has wavelength in the range between 700 nm and 1 mm. lets' convert these values into scientific notation, keeping in mind that:

let's start from the lower value, we have:

(we moved the dot two places to the left, so we increased the exponent by 2 units, from -9 to -7)

the higher value is:

so, the range of wavelength of infrared radiation is: