tmyers68
tmyers68
10-05-2018
Mathematics
contestada
Find the sum or difference: 2.8 - -5.1
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danpercac
danpercac
10-05-2018
2.8-(-5.1)
-(-5.1)=5.1
2.8+5.1= 7.9
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mathstudent55
mathstudent55
10-05-2018
Subtracting means adding the opposite.Subtracting -5.1 means adding the opposite of -5.1 which is +5.1.
2.8 - (-5.1) = 2.8 + (+5.1) = 2.8 + 5.1 = 7.9
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