Suppose that circles a and b have a central angle measuring 40°. additionally, circle a has a radius of 5 2 ft and the radius of circle b is 9 2 ft. if the measure of the sector for circle a is 25 36 π ft2, what is the measure of the sector for circle b? a) 2 9 π ft2 b) 4 9 π ft2 c) 9 4 π ft2 d) 9 2 π ft2

i think asking google will you get the answer to that question

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: