Mrs. Allison buys Gucci bags wholesale for 28.00 and marks them up 900% to sell on her de online store, what is the selling price of the bags

$288

Step-by-step explanation:

what is 900% of 28?

x = 9 × 28

x = 288

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: