Question

1. Estimate the population of the USA.

2. Estimate the number of mobile devices in the USA
3. Estimate the area (in meter2) of all mobile phones in the USA.
4. Estimate the height (in meter) of our giant mobile phone
5. Estimate the width (in meter) of our giant mobile phone

Answer 1

330 million, 500 million, 20K meters squated, dont get the last 2.

Answer 2

300 million, 450 million, 4500square meters 1000meters, 4000squaremeters