M3 · Thinker
Numbers
Scientific notation
Formula
a x 10^n with 1 <= a < 10
Rule
Write very large or very small numbers as a number between 1 and 10 times a power of ten.
Example
3,200,000 = 3.2 x 10^6
Tip
The exponent counts how many places the decimal point moves.
Learn this concept
Powers & roots