Need help ASAP on #22 please!! Just #22. I couldn't take a proper picture of it because my hand was too shaky and I'm using P. C. Giving Brainliest to a person who gets it right. I need an answer ASAP! This is my last question.

1. perpendicular

2. parallel

3. perpendicular

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:

answer: im sorry i dont get it

step-by-step explanation: