Power Play Puzzle

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Across
  1. 2. A way to write very large numbers using powers of 10
  2. 5. A negative exponent makes the number into a
  3. 8. The number that is being multiplied repeatedly
  4. 9. Number of times a base is multiplied by itself
  5. 10. A number multiplied by itself results in a
Down
  1. 1. Any non-zero number raised to the power zero
  2. 2. 4 raised to the power 3
  3. 3. Another word for exponent
  4. 4. A number raised to the power 1 remains the
  5. 6. The opposite of a power (finding the original number)
  6. 7. A number raised to the power of 3 is called this