740
It is already rounded to the nearest ten.
750
750
Any number greater than or equal to 745 but less than 755 can be rounded off to 750. This is because when rounding to the nearest 10, any number 5 or greater in the ones place will round up. Therefore, numbers like 746, 747, 748, 749, and 750 can all be rounded to 750.
740
It is 750.
It is already rounded to the nearest ten.
750
750
750
Any number greater than or equal to 745 but less than 755 can be rounded off to 750. This is because when rounding to the nearest 10, any number 5 or greater in the ones place will round up. Therefore, numbers like 746, 747, 748, 749, and 750 can all be rounded to 750.
750
750 rounded to the nearest 100 is 800
750
740
800