4 {1, 8, 15, 22, 29, 36, 43, ... } It says to find the common difference & common ratio but I’m not sure how

bull

step-by-step explanation:

answer: i think one of the answer is $150 and $300?

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: