The expression of 5008 km in scientific notation is
a. 5.008 x 103 km
b. 50.08 x 10-4 km
c. 5.008 x 10-3 km
d. 5.008 x 104 km

Two friends are reading books. jimmy reads a book with 21,356 words. his friend bob reads a book with one-and-a-half times as many words. which expression represents the number of words bob reads?

Amountain climber starts a climb at an elevation of 453 feet above sea level at his first rest stop he has climbed 162 feet and by his second rest stop he has climbed another 207 feet its getting late in the day so the climber starts his way down if the climber desends 285 feet how much does he need to ascend or descend to return to the original starting point

In which direction does the left side of the graph of this function point? a(x) = 3x - x2 + 4x - 2