Chapter 7 - Exponents and Exponential Functions - 7-4 More Multiplication Properties of Exponents - Practice and Problem-Solving Exercises - Page 437: 46

$6.4952784 *10^{-8}$ $m^3$

$V = \pi * r^2 * h$ $V = \pi * (7.8 * 10^{-4})*(7.8 * 10^{-4})*(3.4*10^{-2})$ $V = \pi * (7.8*7.8*3.4 * 10^{-4} * 10^{-4}*10^{-2})$ $V = \pi * 206.856 *10^{-10}$ $V = 649.52784 *10^{-10}$ $V = 6.4952784 *10^{-8}$