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scientific (2.1·104+3.02·105)−8.103·105
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Solution
−4.873×105
+1
Decimal
−487300
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=2.1×104+3.02×105−8.103×105
Scientific notation is in the form a×10bwhere 1≤a<10 and b is an integer.
3.02×105−8.103×105=−5.083×105:اجمع العناصر المتشابهة