Complete the following statements for each of these rules a (?)×(-)=(+)

b (?)×(-)=(×)

c (-)÷(-)=(?)

d (-)×(?)=(-)

e(+)÷(-)=(?)

f(+)÷(+)=?

g(?)÷(+)=(-)

h(-)3=?

i (+)3=?

j(-)2=?

l(+)2=2

When a soap film is viewed in white light and the film is much thinner than the wavelength of the blue light, the film will seem to be totally transparent. The thin film will reflect no visible light. It actually depends on the thickness of the film through which the light is being transmitted. I hope the answer helps you.