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Mathematics, 17.12.2020 22:10 nicolecoulthard

Which product is positive? a. (2/5) (- 8/9) (- 1/3) (- 2/7)
b. (- 2/5) (8/9) (- 2/3) (- 2/7)
c. (2/5) (8/9) (1/3) (2/7)
d. (- 2/5) (- 8/9) (1/3) (2/7)

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Which product is positive? a. (2/5) (- 8/9) (- 1/3) (- 2/7)
b. (- 2/5) (8/9) (- 2/3) (- 2/7)<...
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