After becca’s half marathon her pedometer showed 23,580 steps, while alex recorded 2.42 times 10 to the fourth steps after the same race. what is the combined amount of their steps

What is the perimeter of square abcd? units units 28 units 37 units

The measure of one angle of an octagon is two times smaller that of the other seven angles. what is the measure of each angle?

Anew shopping mall is gaining in popularity. every day since it opened, the number of shoppers is 5% more than the number of shoppers the day before. the total number of shoppers over the first 10 days is 1258 how many shoppers were on the first day?