Find the place of the digit 1 in the number 81389398. Select the correct answer below:

billions

hundred millions

ten millions

millions

hundred thousands

Consider the equilibrium system: 2icl(s) ⇄ i2(s) + cl2(g) which of the following changes will increase the total amount of of cl2 that can be produced? all of the listed answers are correct decreasing the volume of the container removing the cl2 as it is formed adding more icl(s) removing some of the i2(s)

The excretory system,need answers for all: )

Which of the following units is not an official si unit? mole liter kilogram ampere