What is 639,547,218 rounded to the nearest million?
Hi Mandy:
You don't need a calculator for this one.
To round, you add Five to the digit to the right of what you are rounding to, so you would add 500,000 to your number.
Then you make all of the digits to the right of what you are rounding to, 0.
In your example:
639,547,218
500,000
640,047,218
640,000,000
Ta Da!
640 million.
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