6. You can add like square roots. 7. You can add unlike square roots. 8. You can multiply or divide like square roots. 9. You can multiply or divide unlike square roots. 10. The Greek letter is pronounced like "pie." 11. Another way of saying that monomials can be added or subtracted is to say they can be combined. 12. The Subtraction Property of Regrouping is useful when dividing monomials. 13. When adding monomials, both the coefficients and exponents are added. 14. If no number is indicated as a coefficient or exponent to a variable, the number 1 is understood to be there. 15. When multiplying two different variables, both the coefficient and exponent are multiplied. Exercise 4 Fill in the blanks with the correct word. Choices are listed below and some will be used more han once. Added Subtracted Multiplied When adding like monomials, the coefficients are Divided