Below are approximate amounts related to cash flow information reported by five companies in previous years.

Rectangle reports operating cash flows of $3.44 billion, investing cash flows of $0.44 billion, and financing cash flows of $3.88 billion.

Circle reports operating cash flows of $1.24 billion, investing cash flows of $0.14 billion, and financing cash flows of $1.08 billion. The beginning cash amount is $0.54 billion.

Pentagon reports operating cash flows of $0.07 billion, investing cash flows of $0.47 billion, and a change in total cash of $0.04 billion.

Square reports operating cash flows of $0.44 billion, financing cash flows of $0.26 billion, and a change in total cash of $0.02 billion.

Hexagon reports investing cash flows of $1.10 billion, financing cash flows of $0.87 billion, and a change in total cash of $0.02 billion.

(Net cash outflows should be indicated with a minus sign. Enter your answers in billions rounded to 2 decimal places.)

Required:

1. What is the amount of the change in total cash of Rectangle?
2. What is the ending cash amount of Circle?
3. What is the amount of cash flows from financing activities of Pentagon?
4. What is the amount of cash flows from investing activities of Square?
5. What is the amount of cash flows from operating activities of Hexagon?