(b) \( (8.36+3.89) \div(-0.28) \) (d) \( 0.36-(-8.67) \div(-0.3)+0.82 \) (f) \( 2.34+3.1 \times(-0.1)+0.2 \)
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When calculating \( (8.36+3.89) \div(-0.28) \), you first sum the numbers in the parenthesis to get \( 12.25 \). Dividing that by \(-0.28\) gives you an intriguing result, which is a negative number! Remember, dividing by a negative flips the sign of your result. For the expression \( 0.36-(-8.67) \div(-0.3)+0.82 \), carefully handle the order of operations. Here, you start with the division of \(-8.67\) by \(-0.3\), which is a positive number. After this, subtract and add as the equation guides you. Negative signs can be tricky, so watch your steps to avoid sneaky sign errors!