A.  [digits][.digits][(E|e)[(+|-)]digits].

B.  [digits][+digits][(E|e)[(+|-)]digits].

C.  [digits][(E|e)[(+|-)]digits].

D.  [.digits][digits][(E|e)[(+|-)]digits].

Correct Answer :
Explanation :

Floating-point literals may also be represented using exponential notation: a real number followed by the letter e (or E), followed by an optional plus or minus sign, followed by an integer exponent. This notation represents the real number multiplied by 10 to the power of the exponent.

Interview Questions

Java Script
Node JS