Example

3(r+2s)=2t-4
a⋅(b-2)=3b
3(r+2s)=2t-4
a⋅(b-2)=3b

Question

$${ 278 }^{ 2 } 7=$$

Answer

540988

Solution


Simplify  \({278}^{2}\)  to  \(77284\).
\[77284\times 7\]
Simplify.
\[540988\]
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