Jackie is reading a 252 page novel for her summer reading project. On Monday she reads 4/8 of the novel. On Tuesday she reads 28 pages, and on Wednesday she reads 1/4 of the novel. How many total pages has Jackie read so far? A) 126 pages
B) 189 pages
C) 217 pages
D) 170 pages

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step-by-step explanation:

21

jk it's 20

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:

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