Find an explicit formula for the geometric sequence 3125, 625, 125, 25

On a architect's drawing of a house, 1 inche representa 1.5

What are the measures of ∠a, ∠b, ∠c and ∠d? explain how to find each of the angle measure.

According to the 2008 u.s. census, california had a population of approximately 4 × 10^7 people and florida had a population of approximately 2 × 10^7 people. which of the following is true? a. the population of florida was approximately two times the population of california. b. the population of florida was approximately twenty times the population of california. c. the population of california was approximately twenty times the population of florida. d. the population of california was approximately two times the population of florida.