Chloe gets paid $8 per hour to work as a lifeguard. This weekend, she worked on both Saturday and Sunday. She
made a total of $72. Chloe worked for 4 hours on Saturday.
For how many hours did she work on Sunday?

idk lol

step-by-step explanation:

answer:   y=2x-3

step-by-step explanation:

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: