# Who remembers to subtract?

If $$-1.6\times { 10 }^{ -19 }$$ is less than $$+1.6\times { 10 }^{ -19 }$$ by $$3.2\times { 10 }^{ -19 }$$,

Can we say that the electron has a charge $$\displaystyle 3.2\times { 10 }^{ -19 }C$$ less than the charge of a proton?

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