During a flow over flat plates check, for laminar flow over a flat plate, x=0.40 mx=0.40\,\mathrm{m}x=0.40m and Rex=4.0×105Re_x=4.0\times10^5Rex=4.0×105. Estimate δ\deltaδ using 5x/Rex5x/\sqrt{Re_x}5x/Rex.