1
Step-by-step explanation:
The number closest tio the wole number 0 is 7.
The 7 in the decimal is greater than 5.
If number to round is greater than 5, we would round to 1. And add to the the next number
If number is less than 5, we would round to zero.
Rounding 7 to 1, we would add it to the zero.
0.7 to the nearest whole number is 1.