What is 4.65 x 10 to the power of 11

Which of the following is an example of conditional probability

The distance from the sun to earth is about 1.5×10 to the 11th m suppose light travels at a speed of 3×10 to the 8th m per second about how long does it take light from sun to reach earth

Roxanna earns 150% her normal hourly rate for overtime pay. last week, roxanna earned $72.00 in overtime pay for 4 hours. what is roxana's normal hourly pay?