Question 7 • EF Math 12 1st Nine Weeks
Each term is found by multiplying the previous term by -3: -1 × -3 = 3, 3 × -3 = -9, and -9 × -3 = 27. Continuing gives 27 × -3 = -81, then -81 × -3 = 243, and 243 × -3 = -729. The correct choice is “Multiply by -3; -81, 243, -729.”
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