A photon has 8. 0 × 10–15 j of energy. Planck’s constant is 6. 63 × 10–34 j•s. What is the frequency of the photon? 1. 21 × 1019 hz 8. 3 × 10–20 hz 1. 21 × 10–19 hz 8. 3 × 1020 hz.

Arealtor is studying the graph above, which shows the expected value of properties in her area over the next 24 years. if t represents the number of years after 2014, in what year should the increase in property values start to slow down? a. 2008 b. 2018 c. 2022 d. 2030