It is 0.86 to two decimal places
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To round 15.409 to 2 decimal places, we look at the third decimal place, which is 9. Since 9 is greater than or equal to 5, we round up the second decimal place, which is 0. Therefore, 15.409 rounded to 2 decimal places is 15.41.
When rounding 11.625 to one decimal place, you look at the digit in the second decimal place, which is 2. Since 2 is less than 5, you do not round up. Therefore, 11.625 rounded to one decimal place is 11.6.
To round 0.072 to one decimal place, you would look at the digit in the second decimal place, which is 2 in this case. Since 2 is less than 5, you would simply drop all digits after the first decimal place, resulting in 0.1.
2
-2 6.58x10