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25 July, 22:03

Select all the correct answers. What is 221,000,000,000,000,000,000 expressed in scientific notation?

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Answers (2)
  1. 25 July, 23:28
    0
    2.21 x 10 ^20

    Step-by-step explanation:

    Move the common over to the 221 in between the 22 because for scientific notation it has to be below 10 and above 1. then count how many you moved and get 20 times.
  2. 26 July, 00:04
    0
    2.21 times 10 to the power power of 21
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