(A) To evaluate $66 \times 74$ without direct multiplication,we can express the numbers as $(70 - 4)$ and $(70 + 4)$.Using the algebraic identity $(a

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(A) To evaluate $66 \times 74$ without direct multiplication,we can express the numbers as $(70 - 4)$ and $(70 + 4)$.Using the algebraic identity $(a - b)(a + b) = a^2 - b^2$,where $a = 70$ and $b = 4$:$66 \times 74 = (70 - 4)(70 + 4)$$= (70)^2 - (4)^2$$= 4900 - 16$$= 4884$