### Home > CALC > Chapter 5 > Lesson 5.2.1 > Problem 5-58

5-58.

You will need to show steps:

part (a) *e*(120 seconds) ≈ 16

part (b) *T*(4080 feet) ≈ −0.003, −0.004 or −0.005 (depending on which method you use)

part (c) *T*(210 seconds) ≈ −0.068, −0.087 or −0.05 (depending on which method you use)