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anonymous

  • one year ago

Ello beautifuls! ;-* I'll fan & medal to who ever assists me. <33 Jill arranges quarters in stacks of increasing powers of 2, starting with the zeroth power (20). If she ends up with six stacks, how many coins has she used? A.) 16 B.) 36 C.) 63 D.) 96 E.) 101 *Bows* Arigato! ^-^

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  1. anonymous
    • one year ago
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    (20^0)

  2. anonymous
    • one year ago
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    Ohh it's Miku!! :D

  3. Vocaloid
    • one year ago
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    first stack is 2^0 second stack is 2^1 third stack is 2^2 fourth stack is 2^3 fifth stack is 2^4 sixth stack is 2^5 with me so far? see how the exponent increases each time by 1?

  4. Vocaloid
    • one year ago
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    now, to find the total number of coins, we need to add up 2^0+2^1+2^2+2^3+2^4+2^5

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