6.8 ÷ 3.1 retain two decimals?
6.88 ÷ 3.1 ≈ 2.193
Based on the principle of rounding, two decimal places are retained, which equals approximately 2.19.
6.8 divided by 3.1 Keep one decimal in the vertical equation
6.8 divided by 3.1 Keep one decimal in the vertical equation
6.8 ÷ 3.1
=68 ÷ 31
≈2.19
≈2.2
See figure for vertical equation: