3. When you add the square of Ben's age to Ali's you get 53. When you add the cube of Ali's age to Ben's you

get 71. How old are Ali and Ben?

answer: a and b

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: