Multiply and divide signed numbers and interpret sign patterns correctly.
Divide signed numbers
Problem
Find the value of \(-28~\div~7\).
Big Picture
What this problem is really about
Determine the quotient’s sign before doing the arithmetic. A negative dividend and positive divisor have different signs, so the result is negative; divide the absolute values to find its magnitude. Multiply the quotient back by the divisor to verify that it reconstructs the original signed dividend.
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