What is the product of 8.2 × 10/\9 and 4.5 × 10/\-5 in scientific notation? 36.9 × 10/\-45 12.7 × 10/\4 3.69 × 10/\5 3.69 × 10/\14

An airport in death valley is 60 feet below sea level, and an airplane is flying 2,000 feet above sea level. how many feet must the plane descend in order to land? a. 2060 b. 2000 feet c. 1940 feet d. 1880 feet e.1400 feet will mark as brainliest

The train station clock runs too fast and gains 5 minutes every 10 days. how many minutes and seconds will it have gained at the end of 9 days?

Which shows the correct solution of the equation 1/2a+2/3b=50, when b=30?