ChemStream

Exponential notation is a way of expressing very large or very small numbers using powers of 10. It simplifies calculations and makes numbers easier to read and write.

a×10^n

• $a$ is the coefficient, a number between 1 and 10.
• $n$ is the exponent, which indicates how many times 10 is multiplied or divided.
  
  • If $n$ is positive, the number is large (shift decimal to the right).
  • If $n$ is negative, the number is small (shift decimal to the left).