Solve for the variable in 728 = 25/
a. 100
b.4
c.5
d. 20

dont trust me im no expert these losers made me fail a test bro this sucks

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:

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she made 48 + y = a cookies.     not enough info is given to find the total.