The nearest hundred to 760 is 800. When rounding to the nearest hundred, we look at the digit in the tens place, which is 6 in this case. Since 6 is closer to 10 than to 0, we round up to the next hundred, which is 800.
The nearest 10 of 762 is 760.
760
760
760
It is 760.
760
760
760 is right
760
760
760
760 is divisible by 10, so does not need to be rounded.