Question

multiply

18 by (4/-9)=​

Answer 1

Answer:

-8

Step-by-step explanation:

this is the answer.

hope it helps you

Answer 2

-18

answer is -18

Photoelectric effect, phenomenon in which electrically charged particles are released from or within a material when it absorbs electromagnetic radiation. The effect is often defined as the ejection of electrons from a metal plate when light falls on it.