HELP Express in simplest form, without breackets:
1) (3a^2)^2
2) (2s^3t^4)^5

Every time you drive you will experience a combination of driving conditions and environments.

Evaluate-27 ^4/3/8 a) - 81/16 b) 81/16 c) 16/81

Jackie purchased 3 bottles of water and 2 cups of coffee for the family for $7.35. ryan bought 4 bottles of water and 1 cup of coffee for his family for 7.15. how much does each bottle of water cost? how much does each cup of coffee cost?