18 Rylee wrote his first step in dividing 2,259 ÷ 3 using the Expanded Notation Method. Part A 600 3)2,259 -1,800 459 Write a number sentence that will calculate a reasonable estimate for the quotient of 2,259 ÷ 3. Part B Explain how Rylee's division work would be different if he had used your estimate instead of 600 as his first step. Then find the exact quotient of 2,259 ÷ 3.​