A school held several evening activities last month-A music concert, A basketball game , a drama play, and a literacy night. The music concert was attended by 250 people. How many people came to each other's activity. please answer fast

dnji

step-by-step explanation:

dskfbipo

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: