III gimnazjum

Matematyka z plusem 3

a)357⋅104=3,57⋅100⋅104=3,57⋅102⋅104=3,57⋅102+4=3,57⋅106 b)25,3⋅105=2,53⋅10⋅105=2,53⋅101+5=2,53⋅106

a)510m2:(1,2⋅10−5m2)=510:(1,2⋅10−5)=5,1⋅100:(1,2⋅10−5)=1,2⋅10−55,1⋅100​=

a)   1,27⋅105+9,8⋅106=1,27⋅105+9,8⋅10⋅105=1,27⋅105+98⋅105=    =(1,27+98)⋅105=99,27⋅105=9,927⋅10⋅105=9,927⋅101+5=9,927⋅106

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