Respuesta :

aperry02
3.447 rounds to 3.4 because any number less than 5 rounds to 0
ex. 14 rounds to 10 and 15 rounds to 20
iGreen
The answer is 3.4.

3.447
   ^tenths place

Rounding it to one decimal place is rounding it to the nearest tenth. Look at the number to the right of the tenths place(hundredths place). If it's 5 or more we round up to 3.5, if it's 4 or less we round down to 3.4.

3.447
     ^number in hundredths place is 4

So we round 3.447 to 3.4.

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