The basketball game at the high school started at 7:30 P. M. and ended at
10:38 P. M. How long did the game last? *
3 hours 38 minutes
2 hours 58 minutes
4 hours 8 minutes
3 hours 8 minutes

Determine the difference: 3.2 × 1010 – 1.1 × 1010. write your answer in scientific notation.

What can each term of the equation be multiplied by to eliminate the fractions before solving? x – + 2x = + x 2 6 10 12

Awater holding tank measures 105 m long, 50 m wide, and 8 m deep. traces of mercury have been found in the tank, with a concen- tration of 60 mg/l. what is the total mass of mercury in the tank? answer in units of kg.