Examlex
Solve the problem. Express the answer in scientific notation to two decimals unless requested otherwise.
-The national debt of a small country is $6,890,000,000 and the population is 2,193,000. What is the amount of debt per person?
Hydrogen
The lightest and most abundant chemical element in the universe, consisting of just one proton and one electron.
Amphibians
A group of cold-blooded vertebrates characterized by their ability to live both in water and on land, undergoing metamorphosis from a larval stage to an adult.
Carboniferous
A geologic period and system that extends from the end of the Devonian Period, about 359.2 million years ago, to the beginning of the Permian Period, about 299 million years ago.
Reptiles
Cold-blooded vertebrates that breathe air, usually lay eggs, and have scales covering their bodies, including snakes, lizards, crocodiles, and turtles.
Q71: The weight W of an object on
Q72: <img src="https://d2lvgg3v3hfg70.cloudfront.net/TB8504/.jpg" alt=" A) -y B)
Q80: <img src="https://d2lvgg3v3hfg70.cloudfront.net/TB8504/.jpg" alt=" A) 4 B)
Q82: x + y = -7<br>A) (-2, 0)
Q131: <img src="https://d2lvgg3v3hfg70.cloudfront.net/TB8504/.jpg" alt=" A)
Q135: - <img src="https://d2lvgg3v3hfg70.cloudfront.net/TB8504/.jpg" alt="- A)
Q158: (-4a - 7b -c) - (-5b -
Q202: The average weight W (in ounces) of
Q319: Find a polynomial for the sum of
Q330: <img src="https://d2lvgg3v3hfg70.cloudfront.net/TB8504/.jpg" alt=" A)