Which number is not in scientific notation?

Answer: D
Step-by-step explanation:
Scientific notation means that the first number is like:
_.__
The dot is directly behind the first number.
The only one that doesn't apply to that rule is D.
Answer
D
Step-by-step explanation:
in scientific notation the sum is written like this...
(4.7x10^34. for example)
a,b and c are in the right notation but d isn't.