If the half-life of \( 1-131 \) is 7.7 days, how long would it take for \( 1-131 \) to go through 5.5 half-lives? (Round your answers to two decimal points)

HW 1: Name Clarabelle Barraza student ID: 1. In major league baseball, the pitcher's mound is 60 feet from the batter. If a pitcher throws an \( 85 \mathrm{~m} / \mathrm{h} \) fastball, how much time elapses from when the ball leaves the pitcher's hand until the ball reaches the batter? Solve it in the unit of second.

What is the force on a 1000 kg elevator that is falling freely at \( 9.8 \mathrm{~m} / \mathrm{sec}^{2} ? \)

Cuando la luz golpea la frontera entre dos medios, pueden ocurrir: Seleccione una: a. Absorción b. Todas son correctas. c. Reflexión d. Refracción

If the half-life of \( 1-131 \) is 7.7 days, how long would it take for \( 1-131 \) to go through 5.5 half-lives? (Round your answers to two decimal points)

If the half-life of \( 1-131 \) is 7.4 days, how many days would it take for only \( 3.2 \times \) \( 10^{-2} \) grams of \( 1-131 \) to be left in Mr. Miller's body if Dr. Goodie started him on an initial dose of 5.5 grams? (Round your answer to two decimal points)