(30×10^-2)kg+(6.5×10^2)g-(45×10^-2)kg=?
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here, 30*10^-2=30/10^2=30/100=0.3kg=300gm
336.5*10^2=6.5*100=650gm
and 45*10^-2=0.45kg=450gm
so finally sum is
300 +650+450=1400gm
or 1.4kg (1kg=1000gm)
336.5*10^2=6.5*100=650gm
and 45*10^-2=0.45kg=450gm
so finally sum is
300 +650+450=1400gm
or 1.4kg (1kg=1000gm)
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