Determine the product if the exspressian . It must be in simplified form. 4/5 times 1/2

Derricks dog sitting and darlene's dog sitting are competing for new business. the companies ran the ads shown. which dog sitting service is more economic to use if you need 5 hours of service? explain.

Determine the difference: 3.2 × 1010 – 1.1 × 1010. write your answer in scientific notation.

You were told that the amount of time lapsed between consecutive trades on the new york stock exchange followed a normal distribution with a mean of 15 seconds. you were also told that the probability that the time lapsed between two consecutive trades to fall between 16 to 17 seconds was 13%. the probability that the time lapsed between two consecutive trades would fall below 13 seconds was 7%. what is the probability that the time lapsed between two consecutive trades will be between 14 and 15 seconds?