Answer:
1st cylinder: 3541.9 square mm
2nd cylinder: 439.6 square cm
Step-by-step explanation:

Second cylinder.

Answer:
1.8 ⋅ 10−2 mm or 1.8 ⋅ 102 mm
Step-by-step explanation:
Answer:
$68.54
Step-by-step explanation:
If you multiply the percent, 8.8% or .088 by 63 (the price), then add the tax to the item, the total adds to 68.54