Answer and Explanation:
To find : Which number is in standard notation or scientific notation?
Solution :
Scientific notation is a special ways of writing the standard form of number.
Scientific notation make a big number into smaller way bye writing it into 10 to the power or using E.
Standard notation is like 12,47950585,89000.
Scientific notation is like
, 
So, Now we examine the numbers,
A)
is the Scientific notation.
B)
is the Standard notation.
C)
is the Scientific notation.
D)
is the Standard notation.
The answer to this equation is
x= 1, -3
4 twos and 4 Jack's 4+4=8. 8/52=4/26=2/13
2/13 is the simplest form
5 can stay as is, but 5503 can be rounded to 5500 so 5500x5=27500