Yuki's guppies have begun to have babies. she started with 5 guppies. one week later, yuki counted twice as many guppies in the fish tank. each week afterwards, the number of guppies doubled. in how many weeks did yuki have 160 guppies?

whats the question?

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: