exponents and powers

1234567
Across
  1. 3. a number used to multiply a variable
  2. 4. any base with a ________ exponent equals one
  3. 6. When expressions are being multiplied with the same base, we ________ the exponents
  4. 7. an exponent can also be called a ________
Down
  1. 1. this is used to represent repeated multiplication
  2. 2. when expressions are being ________ with the same base, we subtract the exponents
  3. 5. the number that is multiplied when using exponents