Area of a trapezium
9cm
6cm
15cm

i can't solve unless i know what the line is

step-by-step explanation:

welcome to/p>

30005

yes ok                                            

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: