ile to jest? a) 10 pierwiastków 3 stopnia z -64 b) 0,7do potęgi -2
a) 10∛-64 = 10∛(-4)³ = 10 * (-4) = -40
b) 0,7^(-2) = (7/10)^(-2) = (10/7)² = 100/49 = 2 i 2/49
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a) 10∛-64 = 10∛(-4)³ = 10 * (-4) = -40
b) 0,7^(-2) = (7/10)^(-2) = (10/7)² = 100/49 = 2 i 2/49