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28 September, 14:43

Write 43 as a sum of powers of 2.

(2 Has to be the Base not the exponent)

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Answers (1)
  1. 28 September, 18:03
    0
    2⁰ + 2¹ + 2⁵ + 2³ = 43

    Step-by-step explanation:

    since 43 is odd, we know 2⁰ or 1 must be one of the sums

    43 - 2⁰ = 42

    42 - 2¹ = 40

    16 = 2⁴

    40-2 (16) = 40 - 2⁵ = 8

    8 = 2³

    adding this all together

    2⁰ + 2¹ + 2⁵ + 2³ = 43
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