Question

quanto que é 1,67 x 10^-24+3,95 x 10^-22

Answer 1

$1,\!67\cdot10^{-24}\,\,\,+\,\,\,3,\!95\cdot10^{-22} \\ \\ \\ = 0,\!0167\cdot10^{-22}\,\,\,+\,\,\,3,\!95\cdot10^{-22} \\ \\ \\ \boxed{=3,\!9667\cdot10^{-22} }$