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30 September, 18:00

Find the sum of the squares of 3, 2, 1, and - 1

A. 5

B. 14

C. 13

D. 15

+5
Answers (1)
  1. 30 September, 21:08
    0
    3^2=9, 2^2=4, 1^2=1, and (-1) ^2 is also 1 - double negatives are positive. 9+4+1+1=15. D.
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