Answer:
2. It can be solved by using the multiplication property of equality.
3. The equation should be:

6. The answer is 1,976.4.
Explanation:
Let x be the number.
We have been given that the quotient of a number and 18 is 109.8.
Since we know that in a division problem the number which is being divided called dividend and by which number we divide is called divisor.
We can represent our given information as:
By using multiplication property of equality we will get,



Upon looking at our given choices we can see that 2nd, 3rd and 6th statements are correct choices.