asked 222k views
3 votes
A lead pellet has a volume of 1.2x10⁻² mL and a density of 11.3 g/mL. What is the mass of the lead pellet?

1 Answer

7 votes
A square mile = 27,878,400 square feet

A square mile also = 640 acres.

31,580/.75 = 43,440 persons per square mile

That is 27,878,400/43,440 = ~642 square feet per person so each person has a square approximately 25 feet on each side.

43440/640 = ~ 68 people per acre

This is a fairly dense
answered
User Bellabelle
by
7.6k points
Welcome to Qamnty — a place to ask, share, and grow together. Join our community and get real answers from real people.