Which of the following is the general term for the sequence m, -m, m, -m, . .?

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Which sentence uses an objective tone? we will plant the best garden of any school in the area. the new campus garden will surely be envied by other schools. a garden would provide numerous benefits to the students. you will probably agree that gardens have many benefits.

What is the simplified form of (3.25x10^3)(7.8x10^6) written in scientific notation?