Asoup recipe calls for 3 chopped onions. you want to make of the recipe. how many onions will you need? which proportion will give the correct answer?

answer: the answer is 23

step-by-step explanation:

21.4 i did it already for s1

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: