Question

Sabendo-se que X = 3,0 x 10³ + 4,0 x 10² e Y = 1,0 X 10³ + 3,0 x 10² então X + Y é igual a

Answer 1

X=3*10³+4*10²=3*1000+4*100=3000+400=3400

Y=1*10³+3*10²=1*1000+3*100=1000+300=1300

X+Y=3400+1300=4700

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