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

cwrw238 Group TitleBest 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

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

touseii45 Group TitleBest ResponseYou've already chosen the best response.0
dw:1365030037227:dw
 one year ago

cwrw238 Group TitleBest ResponseYou've already chosen the best response.1
√108 = √4 * √27i = 6i √3 so adding them gives 9i √3
 one year ago

cwrw238 Group TitleBest ResponseYou've already chosen the best response.1
C is correct option
 one year ago

cwrw238 Group TitleBest ResponseYou've already chosen the best response.1
sorry i wrote 128 instead of 108
 one year ago
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