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3241004551 [841]
4 years ago
8

2.7squared add 3.9squared to one decimal place

Mathematics
1 answer:
katrin [286]4 years ago
5 0
2.7^2=2.7\cdot2.7=7.29\\\\3.9^2=3.9\cdot3.9=15.21\\\\2.7^2+3.9^2=7.29+15.21=\boxed{22.50=22.5}
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