Hey!
Tenths place is one number after the decimal point. The tenths place is 0. After the number 0 is 8. Since 8 is equal to or greater than 5, the tenths place goes up by 1.
[tex] 0 \rightarrow 1 [/tex]
Now it becomes:
[tex] 456.1 [/tex]
456.1 is your answer
