10
10*1.4 // val res7:P Double =14.0
10*1.4*1.4
10*1.4*1.4*1.4
10*1.4*1.4*1.4*1.4
clear()
setBackground(blue)
setPenColor(magenta)
setPenThickness(10)
forward(20)
setPenThickness(14.0)
forward(20)
setPenThickness(19.6)
forward(20)
setPenThickness(27.4)
forward(20)
setPenThickness(38.4)
forward(20)
setPenThickness(53.7)
forward(20)