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 [tex]1.43\times 10^3[/tex] , [tex]1.43E10[/tex]
So, Now we examine the numbers,
A) [tex]5.9E10[/tex] is the Scientific notation.
B) [tex]0.0000734[/tex] is the Standard notation.
C) [tex]2.66\times 10^{-3}[/tex] is the Scientific notation.
D) [tex]641,000,000,000[/tex] is the Standard notation.