Exponents and Square Roots
Exponentiation (raising a number to a power) provides a shortcut in writing numerous multiplications. For example, 2 × 2 × 2 × 2 × 2 can be written as 25 = 32. The 5 represents the exponent (or power) of the number 2, telling you that 2 is to multiplied by itself five times.
Several rules can be applied for multiplying or dividing numbers that contain exponents.
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