Answer:
7
Explanation:
it says round to the "nearest WHOLE NUMBER", not nearest ten, or nearest 10th, but whole number (like 1, 2, 3, 4, 5, 78) therefore, 6 and 9/10 rounds to 7 because 9/10 is more than half (it must be 5/10 or more), it rounds 6 up one number, making it 7.