Write 5,000,000,000 in scientific notation.

2. using calculations based on a perpetual inventory system, determine the inventory balance altira would report in its august 31, 2021, balance sheet and the cost of goods sold it would report in its august 2021 income statement using the average cost method. (round "average cost per unit" to 2 decimal places.)

Find the rate of change for the situation.you run 7 miles in one hour and 21 miles in three hours.

Iknow the answer but the calculator doesn't seem to give the right one