69% of students in class 8C forgot to sign their evaluation z that is twelve students . how many people are in the class? PLEASE I REALLY REALLY NEED HELP PLEASE

idk

step-by-step explanation:

maybe try   if it is work from a book, if not try

the final price would be 29.6925

step-by-step explanation:

39.59 minus 25% equals 29.6925

hope this !

let me know

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: