Final answer:
To update QuickBooks on the web after making changes on your mobile device, you need to sync your mobile device with the web version of QuickBooks.
Step-by-step explanation:
Subject: Business
To update your QuickBooks on the web after making changes on your mobile device, you need to sync your mobile device with the web version of QuickBooks. This will ensure that everyone using QuickBooks on the web can see the changes you made on your mobile device.
Once you sync your mobile device, the changes you made, such as updating records or adding transactions, will be automatically reflected in the web version of QuickBooks. This allows for seamless collaboration and ensures that everyone has access to the most up-to-date information.
Therefore, option a) sync your mobile device with the web version of QuickBooks is the correct answer.