1. Calculate $45.00 - 17.76$: Subtracting gives $$45.00 - 17.76 = 27.24$$. 2. Calculate $260.00 - 189.25$: Subtracting gives $$260.00 - 189.25 = 70.75$$. 3. Calculate $500.00 - 246.25$: Subtracting gives $$500.00 - 246.25 = 253.75$$. 4. Calculate $2000.00 - 998.25$: Subtracting gives $$2000.00 - 998.25 = 1001.75$$. Each subtraction is done by aligning decimal places and subtracting digits. Final answers: (29) 27.24 (30) 70.75 (31) 253.75 (32) 1001.75