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Mathematics 15 Online
OpenStudy (anonymous):

evaluate the expression . (1/2) ^3 *(5+3)^3 -(-6)^3 ? help plz thx :)

OpenStudy (anonymous):

(1/2)(1/2)(1/2)*(5+3)(5+3)(5+3)-(-6)(-6)(-6) 0.125*512-(-216) =720.125 But I don't know if I'm right..I may have miscalculated

jimthompson5910 (jim_thompson5910):

(1/2)^3 *(5+3)^3 -(-6)^3 (1/2)^3 *(8)^3 -(-6)^3 (1/8)*(512) -(-216) 512/8 + 216 64 + 216 280 So (1/2)^3 *(5+3)^3 -(-6)^3 = 280

OpenStudy (earthcitizen):

@ji he's ryt

OpenStudy (earthcitizen):

@jim_thompson5910

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