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Answered

A lake in California contains about 8,500,000,000,000 gallons of water. How can this number be written in scientific notation?

Verified Answer :

Scientific notation is in the form of 1~1010^x, so the scientific notation would be 8.510^12

8.5x10^12 

Just count how many times needed to move the decimal place to make 8.5 then multiply by 10 ^ (number of places you needed to move)