Solve the problems. Express your answers to the correct number of significant figures. (2.08 * 10^3) * (3.11 * 10^2)= ??? * 10^5

Seymour is twice as old as cassandra. if 16 is added to cassandra’s age and 16 is subtracted from seymour’s age, their ages become equal. what are their present ages? show !

James is playing his favorite game at the arcade. after playing the game 3 times, he has 8 tokens remaining. he initially had 20 tokens, and the game costs the same number of tokens each time. the number t of tokens james has is a function of g, the number of games he plays. write the function’s formula? t=

Describe the symmetry of the figure. identify lines of symmetry, if any. find the angle and the order of any rotational symmetry.