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egaitapierreval
29.10.2021 •
Mathematics
The volume of an Olympic swimming pool is 2,500,000 liters. The volume of Lake Mead is
35,000,000,000,000 liters. Which of the following expressions will find how many swimming pools
will it take to fill Lake Mead?
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Ответ:
to add: align your decimal and add just like you would regualar 2 or more digit numbers
To subtract: Write down the two numbers, one under the other, with the decimal points lined up. Add zeros so the numbers have the same length. Then subtract normally, remembering to put the decimal point in the answer.
To multiply: Multiply normally, ignoring the decimal points. Then put the decimal point in the answer - it will have as many decimal places as the two original numbers combined