The answer is 4.
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15 april 2012
Using the distributive property of multiplication over addition, 2*[2 - 2] = 2*[2 + (-2)] = 2*2 + 2*(-2)LHS = 2*0 = 0RHS = 4 + 2*(-2)Therefore 2*(-2) = -4 and, by commutativity, -2*2 = -4Next-2*[2 - 2] = -2*[2 + (-2)] = -2*2 + -2*(-2)LHS = -2*0 = 0RHS = -4 + -2*(-2)Therefore -2 times -2 = +4
Gcf 32=2*2*2*2*2 56=2*2*2*7 64=2*2*2*2*2*2 gcf=2*2*2 =8
256 = 2 * 2 * 2 * 2 * 2 * 2 * 2 * 2 = 2^8
440 2, 220 2, 2, 110 2, 2, 2, 55 2, 2, 2, 5, 11