Question 356379
H=2+2(0.8)(up)+2(0.8)down+2(0.8)(0.8)(up)+2(0.8)(0.8)(down)+...
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{{{H=2+4*(sum((0.8)^n,n=1,infinity))}}}
{{{H=2+4*(0.8/(1-0.8))}}}
{{{H=2+4*(0.8/(0.2))}}}
{{{H=2+4*4}}}
{{{highlight(H=18)}}}meters