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alassenBest ResponseYou've already chosen the best response.0
Choices: A. 3√15 B. 3i√15 C. 9i√3 D. 9√3
 one year ago

cwrw238Best ResponseYou've already chosen the best response.1
look for perfect squares in the factors of each number eg √27 = √3 * √9 = 3i √3 now do a similar process with √128
 one year ago

alassenBest ResponseYou've already chosen the best response.0
biggest perfect square in 128 is 16
 one year ago

touseii45Best ResponseYou've already chosen the best response.0
dw:1365030037227:dw
 one year ago

cwrw238Best ResponseYou've already chosen the best response.1
√108 = √4 * √27i = 6i √3 so adding them gives 9i √3
 one year ago

cwrw238Best ResponseYou've already chosen the best response.1
sorry i wrote 128 instead of 108
 one year ago
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