powernotation

noun
UK /ˈpaʊə nəʊˈteɪʃən/
US /ˈpaʊər noʊˈteɪʃən/

A short way to write a number multiplied by itself many times, like 2³ for 2×2×2.

Using power notation, we can write 5×5×5×5 as 5⁴.


OTHER MEANINGS

2. A way of writing very large or very small numbers using powers of ten.

Scientists use power notation to write the distance to the sun as 1.5×10¹¹ metres.

3. The system of symbols used to show a number raised to a power.

In power notation, the small raised number tells you how many times to multiply the base.

4. A shorthand in algebra for repeated multiplication of a variable.

The expression x⁵ is power notation for x multiplied by itself five times.