If a distance is $\mathrm{10,000}m$, approximately how many miles is this distance?

Convert 850 ft to km.

The speed of light is approximately 3.00×10⁸ m/s. Convert this speed to yards/week (yd/wk).

How many gallons are in 1 cubic meter (m³)?

Convert the following to basic SI units or a combination of basic SI units:

2.2 x 10⁴ mi²

Using the approximate conversion factors in Table 1.5, convert the following SI units to English units without using your calculator.

25 m/s

Convert the following to basic SI units or a combination of basic SI units:

62 ft/day

Bacteria vary in size, but a diameter of 2.0 μm is not unusual. What are the volume (in cubic centimeters) and surface area (in square millimeters) of a spherical bacterium of that size?