80.5k views
3 votes
(

3.9
×
10

5
)
(
7
×
10

3
)

User Schacki
by
4.1k points

1 Answer

1 vote

Answer:

2278

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

User Justin Stenning
by
5.1k points