exponent rules
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When you multiple numbers with exponents that have the same base,
you add the exponents and keep the same base.
Example: three squared, times three cubed, equals three to the two plus three power;
equals, three to the fifth power.
When you divide numbers with the exponents that have the same base;
you subtract the exponents and keep the same base.
Example: three to the sixth power, divided by three squared, equals three, to the six minus two, power;
equals, three to the fourth power.
When you take an exponent of an exponent,
you multiply the exponents.
Example: three squared, cubed; equals, three to the two times three, power; equals, three to the sixth power.
When you see a negative exponent, just put one over that number, with the positive exponent.
Example: three to the negative two power; equals one over three squared; equals one ninth.