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Mathematics, 21.06.2019 16:00
Select all the correct answers. what is 221,000,000,000,000,000,000 expressed in scientific notation?
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If the ratio of sum of the first m and n terms of an ap is m2 : n2 , show that the ratio of its mth and nth terms is (2m − 1) : (2n − 1).
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Mathematics, 21.06.2019 22:50
What is the ordered pair of m’ after point m (5, 6) is rotated 90° counterclockwise?
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