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1
Answer:
1) 18769
2) 134.56
Step-by-step explanation:
1) (137)²=(100+37)²
100²+ 37²+2(100)(37)
10000+1369+7400
18769
2) (11.6)²=(11+0.6)²
11²+0.6²+2(11)(0.6)
121+0.36+13.2
134.56
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