How do you do 1/3 x 20? I don't know whether to leave the one at the bottom or flip the fraction

20/3

Step-by-step explanation:

to do fraction multiplication, you first need to change 20 to 20/1 to also make it a fraction.

multiply the denominators with denominators and numerators by numerators. If you do that you will get, 1/3x20/1=20/3

goog may have it for you

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: