samradzaferi12 samradzaferi12
  • 17-01-2021
  • Mathematics
contestada

SOMEONE PLEASE PLEASE HELP PLEASE HELP
Explain how 2 x 10-4^ is the same as 2 : 10 4^using expanded notation.

SOMEONE PLEASE PLEASE HELP PLEASE HELP Explain how 2 x 104 is the same as 2 10 4using expanded notation class=

Respuesta :

jimrgrant1 jimrgrant1
  • 17-01-2021

Answer:

see explanation

Step-by-step explanation:

Using the rule of exponents

[tex]a^{m}[/tex] = [tex]\frac{1}{a^{-m} }[/tex] , then

2 ÷ [tex]10^{4}[/tex] = 2 ÷ [tex]\frac{1}{10^{-4} }[/tex]

To divide leave first, change ÷ to × , turn second upside down

= 2 × [tex]10^{-4}[/tex]

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