If possible, find AB. (If not possible, enter IMPOSSIBLE.) [−1 9]
A= [−2 8]
[ 0 4]

, B = [2 3]
[0 5]

[ __ __ ]
AB =[ __ __ ]
[ __ __ ]

State the dimension of the result. (If not possible, enter IMPOSSIBLE in both answer blanks.)
x

this is false ^.^ lol

a

step-by-step explanation:

6e14 is the answer.

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: