In computer technology, a kilobyte is 2^10 bytes in size. a gigabyte is 2^30 bytes in size. the size of a terabyte is the product of the size of a kilobyte and the size of a gigabyte. what is the size of a terabyte?

Ineed me i stuck and i don’t want to get it wrong

Every weekday, mr. jones bikes from his home to his job. sometimes he rides along two roads, the long route that is shown by the solid lines. other times, he takes the shortcut shown by the dashed line. how many fewer kilometers does mr. jones bike when he takes the shortcut instead of the long route?

Plzzz answer both questions and i will give you 100 points