Verified Answer :

Here's an example of expanded form:

Number: 1,356

Expanded form: 1,000+300+50+6

Number: 593,432

Expanded form: 500,000+90,000+3,000+400+30+2

Based on these examples, give it a shot! :)

\(842,735,618,902=\\\\800,000,000,000+40,000,000,000+2,000,000,000+700,000,000\\+30,000,000+5,000,000+600,000+10,000+8,000+900+2\\\\short\ form:\\\\8\times10^{11}+4\times10^{10}+2\times10^9+7\times10^8+3\times10^7+5\times10^6+6\times10^5\\+1\times10^4+8\times10^3+9\times10^2+2\)

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