I'm looking for a website that can conver place value from Standard form to expanded form?

I was hoping to prove my son wrong! I wanted to find a website that converts Place values from standard to expanded form.. Please help! Oh and if anyone can tell me if this is right....

I say : 617,031,150 =600,000,000+10,000,000+7,000,000+30,000+1,000+100+50

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  • 1 decade ago
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    A number is written in standard form when it is in the form Ax10^n.

    Where A is less than 10 but greater or equal to one.

    617,031,150 = 6.17031150 X 10^8

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