Round 1.3981 to 3 significant figures

Organisms that live in the alpine and taiga biomes have developed unique adaptations that aid in their survival. the douglas-fir is a conifer tree that grows in the taiga biome. it has an average height of about 70 feet, and its wood is an important source of lumber.

An equation of the line tangent to y=x^3+3x^2+2 at its point of inflection is

You can find the constant of proportionality by finding the ratio of