When Sam simplified the expression 3.5-(-4.1), she got -0.6. What mistake did Sam likely
make when she simplified the expression?
Choose the correct answer below.
O A. Sam added the absolute values of the two numbers.
OB. Sam added the
opposite of the first number to the second number.
OC. Sam did not change the sign of the first number when rewriting the expression as addition.
OD. Sam did not change the sign of the second number when rewriting the expression as
addition,
Click to select your answer.
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