Respuesta:
[tex](140 \times 20)( {10}^{20} \times {10}^{ - 25} ) = \\ 2800 \times {10}^{ - 5 } = 2.8 \times {10}^{ - 2} [/tex]
se aplican las leyes de las exponentes
140x10^20/20x10^-25= 14x10x10^20/2x10x10^-25=14x10x10^45/2x10=7x10^45
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Respuesta:
[tex](140 \times 20)( {10}^{20} \times {10}^{ - 25} ) = \\ 2800 \times {10}^{ - 5 } = 2.8 \times {10}^{ - 2} [/tex]
se aplican las leyes de las exponentes
Respuesta:
140x10^20/20x10^-25= 14x10x10^20/2x10x10^-25=14x10x10^45/2x10=7x10^45