# 1. How much longer (percentage) is a one mile race than a 1500-m race (the metric mile)? 2. The…

1. How much longer (percentage) is a one

mile race than a 1500-m race (the metric mile)?

2. The diameter of the Moon is 3480 km. (a)

What is the surface area of the Moon? (b) How many times larger is the surface

area of the Earth?

3. Estimate the order of magnitude (power

of ten) of: (a) 2800, (b) 86.30 X 102, (c) 0.0076, and (d) 15.0 X 108.