"Rounding to the nearest whole number or one:

a. 1.9 rounds to 2 since 9 is in the tenths place.

b. 1.905 rounds to 2 since 9 is in the tenths place and since we only consider the 9 when rounding.

c. 0.5 rounds to 1 since 5 is in the tenths place.

d. 0.1 rounds to 0 since 1 is in the tenths place.e. 9.496 rounds to 9 since 4 is in the tenths place."