The speed of light = 186,000 miles a second. Calculate the distance which light would travel in just 100 seconds. a. 1,860 miles
b. 18,600 miles
c. 186,000,000 miles
d. 18,600,000 miles

Iam so stuck. what is the worked out answer for this question?

In a school 2/3 of the students study a language of those who study a language 2/5 study french

Determine the mean and variance of the random variable with the following probability mass function. f(x)=( 729divided by 91) (1 divided by 9) superscript x baseline comma x equals 1,2,3 round your answers to three decimal places (e.g. 98.765).