Diane made a shirt using 23 yards of yellow fabric and 14 yards of blue fabric. how many yards of fabric did she use in all?

write your answer as a fraction in simplest form.

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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