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Question

Find the value of 1022+10201020.

A
1042
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B
10
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C
102
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D
101
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Solution

The correct option is D 101
1022+10201020=(1022+1020)×1020 (1am=am)=(1022×1020)+(1020×1020)=102220+102020 (am×an=am+n)=102+100=100+1 (a0=1)
=101

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