Question

3. The population of Detroit, MI was 673,104 in 2018. The population of the United States was about 325.7 million in 2017 (a) Write each population in scientific notation. (2 points) (b) About how many times larger was the population of the United States than the population of Detroit, MI? Show your work

Answer 1

a) 6.73104 x 10⁵

b) about 480 times larger

Explanation:

a) 673,104 people in scientific notation is 6.73104 x 10⁵

b)325.7 million is the same as 325700000 = 3.257 x 10⁸

so (3.257 x 10⁸) divided by (6.73104 x 10⁵) ≈ 0.48 x 10³

480 times larger