The mass of one methane molecule is 2.7×10^-23gram. Find the mass of 90,000 molecules of methane. Express the answer in scientific notation<

Question

The mass of one methane molecule is 2.7×10^-23gram. Find the mass of 90,000 molecules of methane. Express the answer in scientific notation
The mass of 90,000 molecules of methane is __?___gram

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Maris 5 months 2021-08-08T14:40:32+00:00 1 Answers 25 views 0

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    2021-08-08T14:42:27+00:00

    Answer:

    2.43 • 10^-18

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Giải phương trình 1 ẩn: x + 2 - 2(x + 1) = -x . Hỏi x = ? ( )