5 units (extra characters......)
1 thousand and 1 hundred means 1100.
In scientific notation, it's 1.1*10^3
Answer:

Step-by-step explanation:
<u>Step 1: Make an expression</u>
<u />
<u>Step 2: Cross Multiply</u>
<u />


<u>Step 3: Divide both sides by 4</u>
<u />

Answer: 
4/5/8/87/7/9 is the answer
Subtract 13 from both sides:


Divide both sides by -5. Since this is a negative number, you have to invert the inequality sign:

Which means