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30 October, 17:53

Which is the best estimate for (2.8 x 10^3) (4.1 x 10^6) written in scientific notation?

A) 7 x 10^9

B) 1.2 x 10^6

C) 1.5 x 10^10

D) 12 x 10^18

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Answers (1)
  1. 30 October, 18:07
    0
    (2.8 x 10^3) (4.1 x 10^6)

    = 2.8 x 4.1x 10^9

    ≈ 11.48 x 10^9

    ≈ 1.148 x 10^10

    ≈ 1.15 x 10^10

    The closest answer will be C
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