Solve the problem.
-The half-life of a certain radioactive substance is 17 years. Suppose that at time t = 0, there are 30 g of the substance. Then after t years, the number of grams of the substance remaining will be: 
How many grams of the substance will remain after 136 years? Round to the nearest hundredth when necessary.
Definitions:
Westerly
Winds or weather systems that move from west to east, common in the mid-latitudes due to the rotation of the Earth and atmospheric conditions.
Prevailing Winds
Winds that blow predominantly from a single general direction over a particular point on Earth's surface.
Nitrogen
A colorless, odorless, tasteless gas that is the most abundant element in Earth's atmosphere, essential for plant and animal life.
Atmosphere
The layer of gases surrounding a planet, crucial for supporting life on Earth, composed mainly of nitrogen, oxygen, argon, and carbon dioxide.
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