Step-by-step explanation:1. This number is 10 more than 645 = 6552. This number is between 799 and 800 = 799.5 (or simply 799, since it’s the only whole number between 799 and 800)3. This number is between 899 and 900 = 899.5 (or 899 if whole numbers only)4. This number is 5 more than 888 = 8935. This number is 4 more than 956 = 960