Chapter 7 - Exponents and Exponential Functions - 7-4 More Multiplication Properties of Exponents - Standardized Test Prep - Page 438: 80

31.68 inches per minute

$3 *10^{-2}$ miles per hour $3*10^{-2} = 3*.01 = .03$ 5280 feet per mile 60 minutes per hour .03 miles per hour * 5280 feet per mile = 158.4 feet per hour 158.4 feet per hour * 1 hour per 60 minutes = 158.4/60 = 2.64 feet per minute 2.64 feet per minute * 12 inches per foot = 31.64 inches/minute