Required: Below are approximate amounts related to cash flow information reported by five companies in previous years. 1. A company reports operating cash flows of $3.42 billion, investing cash flows of $0.42 billion, and financing cash flows of -$3.84 billion. What is the amount of the change in total cash? 2. A company reports operating cash flows of $1.22 billion, investing cash flows of -$0.12 billion, and financing cash flows of -$1.04 billion. If the beginning cash amount is $0.52 billion, what is the ending cash amount? 3. A company reports operating cash flows of $0.08 billion, Investing cash flows of $0.45 billion, and a change in total cash of $0.05 billion. What is the amount of cash flows from financing activities? 4. A company reports operating cash flows of $0.42 billion, financing cash flows of $0.24 billion, and a change in total cash of $0.01 billion. What is the amount of cash flows from investing activities? 5. A company reports investing cash flows of -$1.06 billion, financing cash flows of $0.85 billion, and a change in total cash of $0.01 billion. What is the amount of cash flows from operating activities? (Negative amounts should be indicated by a minus sign. Enter your answers in billions rounded to 2 decimal places.)