C is the right answer, the product is 13.348
To do this you have to times the number of fabric by the length of each fabric
so you have 6*5/8=30/8=15/4 or 3.75
||a|| is called the norm of a. The answer is square root of 58. Hope it helps
The probability that a student uses the Internet, given that he or she is in eighth grade is 8/13 or 0.66
<u>Step-by-step explanation:</u>
<u>From the table shown:</u>
- The students in the eighth grade = 13
- The eighth grade students using internet = 8
P(student uses the Internet in eighth grade) = P(eighth grade students using internet) / P(total students in the eighth grade)
⇒ 8/13
⇒ 0.66