When adding decimals by hand, you must _____.

(1 point)
Responses

line up the numbers to the left then add from left-to-right
line up the numbers to the left then add from left-to-right

line up the decimals of the numbers then add from left-to-right
line up the decimals of the numbers then add from left-to-right

line up the decimals of the numbers then add from right-to-left
line up the decimals of the numbers then add from right-to-left

line up the numbers to the left then add from right-to-left
line up the numbers to the left then add from right-to-left
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1 answer

When adding decimals by hand, you must line up the decimals of the numbers then add from right-to-left.