PLEASE HELP ILL GIVE BRAINLIEST\
SHOW YOUR WORK PLEASE SO I CAN UNDERSTAND

The answer is $3!

Step-by-step explanation:

First, the question asks for the SALES TAX so that means that the equation. (Why 0.08? Because 8%=8/100=0.08.) 37.5*0.08=3. I hope this helps! Have a great rest of your day!

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: