Answer:
S.I= 640
Step-by-step explanation:
I=prt
where p= $8,000
and r= 4%
and t= 2 years
$8,000×4%×2
8,000×4/100×2
80×4×2
=640
Therefore The S.I = 640.
Answer:
<h3>
Length = 12 ft</h3>
Width = 
Step-by-step explanation:
Given,
Area of rectangle = 
Width = X
Length = 2x + 5
Now,






Either




Or,



Negative value can't be taken.
So, width = 
Again,
Finding the value of length,
Length = 



Length = 12 ft
Answer:

Step-by-step explanation:
Hello!
Rules for scientific notation format:
- Has to be multiplied to a power of 10
- One factor has to be greater than 1 but less than 10
<u></u>
<u />
There is a multiplication to a power of 10, but the other factor is less than 1.
This is NOT in Scientific Notation.
All the other options have a multiplication operation to a power of 10, and all the other factors are above 1 and less than 10.
3x^2 + 21x
Is the answer without a doubt.