Calculate (To Three Significant Figures) the Numerical Part of the Conversion

question 35

Essay

Calculate (to three significant figures) the numerical part of the conversion factors needed to carry out the following unit conversions:
a. density in g/cm³ to kg/m³
b. speed in mi/h to ft/s
c. area in km² to mi²
d. area in km² to cm²
e. mass/area of aluminum foil in mg/cm² to g/m²
f. number of gas molecules per unit volume from /m³ to /ft³
g. number of bacteria per unit area on a microscope slide from /mm² to /in²

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Definitions:

Magnetic Fields

A vector field that describes the magnetic influence on moving electric charges, electric currents, and magnetic materials.

Pineal Gland

A small, pea-shaped gland in the brain that produces melatonin, a hormone that regulates sleep-wake cycles.

Insulin

A substance secreted by the pancreas that controls blood glucose levels by promoting glucose absorption into the body's tissues.

Resting Potential

The electrical potential of a neuron or other excitable cell relative to its surroundings when not stimulated or involved in passage of an impulse.