<span>0.105 = 105⁄1000</span>
<span> Simplify 105⁄1000 = 21⁄200
</span><span> hope it helped :)</span>
Answer:
x=
Step-by-step explanation:
Q= illumination
I = intensity
Q= I/d^2
Q_total =
=
now Q' = 0
⇒I
x=
[/tex]
x=
is the required point
One-hundred thirty - nine thousand eight-hundred fifty-two