A power is an expression that shows repeated multiplication of the same number. For example:
43 = 4 × 4 × 4; Here, 43 is the power.
It is read as "4 to the power of 3" or "4 cubed".

Some interesting facts about Power:
- If the exponent is 1, the value is the number itself. For example, 51 = 5.
- If the exponent is 0, the value is 1 (for any non-zero number). For example, 50 = 1.
- Exponents make it easier to write repeated multiplication. For example, 5 × 5 × 5 can be written as 53.
- A negative exponent represents the reciprocal of the number raised to the corresponding positive exponent. For example,
5^{−1} = \frac{1}{5} = 0.2. - When multiplying powers with the same base, their exponents are added. For example, 2 × 2 = 25.
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