Appendix A - Questions for Appendix A - Precision, Accuracy, and Significant Figures - Page A.16: 15c

88.4

Here, we use rounding. Remember that if there is a 5 or above being rounded off, you add one to the number before it, while you leave the number before it unchanged if it is less than a 5. However, we do not round a 5 up to create an odd number. Thus, we find: 88.4