Final answer:
To round 26.351 to the nearest tenths, we round up the tenths place from 3 to 4 because the hundredths place is 5, resulting in 26.4.
Step-by-step explanation:
- To round the decimal 26.351 to the nearest tenths, we look at the number in the hundredths place, which is 5.
- According to rounding rules, if the number in the place to the right of the place you are rounding to is 5 or higher, you round up.
- Since the hundredths place is 5, we will round up the tenths place from 3 to 4.
- The proper rounded decimal to the nearest tenths place is therefore 26.4.