Объяснение:
10⁴= 10*10*10*10=10000
5,2*10000=52000
2,1*10000=21000
52000+21000=73000
(5,2+2,1)*10⁴= 7,3*10⁴
5,2*10⁴+2,1*10⁴ = (5,2+2,1)*10⁴ = 7,3*10⁴
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Объяснение:
10⁴= 10*10*10*10=10000
5,2*10000=52000
2,1*10000=21000
52000+21000=73000
(5,2+2,1)*10⁴= 7,3*10⁴
5,2*10⁴+2,1*10⁴ = (5,2+2,1)*10⁴ = 7,3*10⁴