Insert parentheses in order to make the statement true. More than one set of parentheses may be needed.4 ? 7 - 2 = 20
A. (4)(7)(-2) = 20
B. 4 ? (7 - 2) = 20
C. 4 ? 7 (-2) = 20
D. (4 ? 7) - 2 = 20
Answer: B
Mathematics
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