Find the area of the shaded region of the flag of the republic of the congo

28

Step-by-step explanation:

first you find the area of the full rectangle. 5.2*8=41.6

next you find the area that is not shaded, 6.8*2=13.6

lastly, you subtract the two from one another, 41.6-13.6 which is 28

4

step-by-step explanation:

6 (donuts) divided by 3 is 2.

so 2/3 means 2 times 2, which is 4/6.

you get two and your friend gets four.

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: