It is 7.8
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9.7
It is 27.6
The decimal 1.57 can be written as "one point five seven" in words. This means the number 1 is read as "one," the decimal point is read as "point," the digit 5 after the decimal point is read as "five," and the digit 7 after that is read as "seven."
To round 2.78 to one decimal point, we look at the digit in the second decimal place, which is 8. Since 8 is greater than or equal to 5, we round up the tenths place digit by adding 1 to it. Therefore, 2.78 rounded to one decimal point is 2.8.
It will round up to 0.9 to one decimal place