Mixed Review Complete. 1. 28 + 670 2. 9,219 + 59 3. 966 + 88 4. 457 + 8,927 5. 1,117 + 1,311 6. 28 + 267 7. 5,951 + 3,409 8. 10 + 41 9. 684 + 6,433 Complete. 10. 7 x 6 11. 85 x 2 12. 2 x 6 13. 3 x 6 14. 52 x 4 15. 22 x 2 16. 4 x 4 17. 6 x 3 18. 30 x 3 Write the value of . 19. 9 ten thousands thousands 4 hundreds 1 one =…