Answer:
138.9
Explanation:
Round to the Nearest Ten: 138.93
Identify the tens digit: the 9 in 138.93
Identify the next smallest place value: the 8 in 138.93
Is that digit greater than or equal to five? Yes, so round up.
The tens digit stays the same at 9. Every digit after becomes a zero. Digits after the decimal point are dropped.
138.93 rounded to the nearest ten is 138.9