The amazon river releases 5.5 x 10^7 gallons of water into the Atlantic Ocean every second. There are about 3.2 x 10^7 seconds in a year. How many gallons are released into the ocean in one year? Express your answer with the appropriate number of digit.

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1 answer

To find the number of gallons released into the ocean in one year, we need to multiply the rate of water released per second by the number of seconds in a year.

5.5 x 10^7 gallons/second * 3.2 x 10^7 seconds/year

To multiply these numbers in scientific notation, we can add the exponents and multiply the coefficients:

(5.5 * 3.2) x 10^(7+7) gallons

17.6 x 10^14 gallons

However, since we need to express the answer with the appropriate number of digits, we'll round the coefficient to one digit:

18 x 10^14 gallons

So, in one year, about 18 x 10^14 gallons are released into the ocean.