10036842
10036842 10036842
  • 18-05-2022
  • Mathematics
contestada

Help please due later today.....

Help please due later today class=

Respuesta :

alexandercoronel1909
alexandercoronel1909 alexandercoronel1909
  • 18-05-2022

Answer:

a- the sum = 0.0031

b- the fly is 0.0013 grams heavier

Answer Link
xenia168
xenia168 xenia168
  • 18-05-2022

Answer:

Step-by-step explanation:

a).

2.2 × [tex]10^{-3}[/tex] + 9 × [tex]10^{-4}[/tex] =

2.2 × [tex]10^{-3}[/tex] + 0.9 × [tex]10^{-3}[/tex] =

( 2.2 + 0.9 ) × [tex]10^{-3}[/tex] = 3.1 × [tex]10^{-3}[/tex]

b).

2.2 × [tex]10^{-3}[/tex] - 9 × [tex]10^{-4}[/tex] =

2.2 × [tex]10^{-3}[/tex] - 0.9 × [tex]10^{-3}[/tex] =

( 2.2 - 0.9 ) × [tex]10^{-3}[/tex] = 1.3 × [tex]10^{-3}[/tex]

Answer Link

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