What is the following number in decimal form?
1.68 × 10 –8
a.
0.168
b.
0.168
c.
168,000,000
d.
16,800,000,000

The evening newspaper is delivered at a random time between 5: 30 and 6: 30 pm. dinner is at a random time between 6: 00 and 7: 00 pm. each spinner is spun 30 times and the newspaper arrived 19 times before dinner. determine the experimental probability of the newspaper arriving before dinner.