Answer:
≈ 520 000
Step-by-step explanation:
2¹⁹= 524 288 ≈ 520 000
24
1234, 1243, 1324, 1342, 1432, 1423, 2134, 2143, 2314, 2341, 2413, 2431, 3214, 3241, 3124, 3142, 3412, 3421, 4321, 4312, 4231, 4213, 4132, 4123
x=7
8(1X/4 +12 - 1 x 1/2X)=82
8(X/4 +12-1 x 1/2 x X)=82
8(X/4+ 12 - 1/2x)=82
8 X x/4 + 96+8 X -x/2=82
2x +96 +8 X -x/2=82
2x +96+ 8(-1)/2=82
2x +96 -8x/2 =82
2x+96-4x=82
-2x+96=82
-2x=-14
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