Final answer:
American businesses spent about $645 billion on information systems hardware, software, and telecommunications equipment in 2015.
Step-by-step explanation:
In 2015, American businesses spent about $645 billion on information systems hardware, software, and telecommunications equipment.
This includes expenses on computer hardware, such as servers and desktop computers, as well as software applications and infrastructure like operating systems and databases. It also encompasses investments in telecommunications equipment, like routers and switches, that enable communication and data transfer.
This significant expenditure demonstrates the importance of technology for businesses in enhancing productivity, improving communication, and enabling efficient operations.