javantviral javantviral
  • 06-12-2021
  • Mathematics
contestada

(
3.9
×
10
−
5
)
(
7
×
10
−
3
)

Respuesta :

12651241
12651241 12651241
  • 06-12-2021

Answer:

2278

Step-by-step explanation:

(3.9×10−5)(7×10−3)

= (39 - 5)(7 x 10 -3)

= (39 - 5)(70-3)

= 34(70-3)

= 34 x 67

= 2278

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