Decide whether or not each number is in scientific notation. Explain your reasoning.
a) 12.5 X 10^7 c) 0.43 X 10^6
b) 5.688 X 10^12 d) 4.5 X 5^6

c) 0.43 X 10^6

Step-by-step explanation:

C is not in scientific notation because the decimal point has to be in front of a number with a actual value therefore making answer C not in scientfic notation form.

b

step-by-step explanation:

the word superfluous means unnecessary