[填空题]
A 3D printer builds a sxjvp34jljzkx.1 c2el1kj k (,o,r8zset of 49 Eiffel Tower Replicas in -vgi +p9m/okb different sizes. The height of the g-v+ 9bio/m pklargest tower in this set is $ 64 \mathrm{~cm}$ . The heights of successive smaller towers are 95 % of the preceding larger tower, as shown in the diagram below.
1. Find the height of the smallest tower in this set.≈ cm
2. Find the total height if all 49 towers were placed one on top of another.≈ cm