Speed of light is approximately 3x10^8 meters per second. While solving a problem, Cara used 3x 10^10 meters per second for the speed of light and got the incorrect answer.
By which factor should Cara multiply her answer in order to get the correct answer?

you answer is a

step-by-step explanation:

30 miles

step-by-step explanation:

we know that 60 seconds equals 1 minute and 60 minutes 1 hour

44 ft       60 sec     60 min     158400   ft

  *   *   =

1 sec       1 min       1 hour         hour

we know that there are 5280 ft per mile

158400   ft       1 mile         30 miles

  *   =

1   hour               5280 ft     1 hour

so in 1 hour   it can travel 30 miles

what is the original number? you forgot to add it.

correct answer:

b.(19,-2)