What is 0.273 to 2 decimal places

Lisa has three classes that each last 50 minutes. what is the total number of minutes of the three classes

If the speed of an electromagnetic wave is 100,000 cm/s and its wavelength is 100 cm, what is its frequency? a) 100,000 cycles per second (hz) b) 1 × 10-3 cycles per second (hz) c) 10,000,000 cycles per second (hz) d) 1,000 cycles per second (hz)

Cody ran nine miles on his first day of training. the next day he ran 1/8 that distance. how far did he run the second day?