Scientific Notation

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Scienti c Notation
Simplify and express in scienti c notation:
Example 1
Example 2
(7 × 10 ) (9 × 10 )
5 × 10
5
=
× 10 × 10
16
16 × 10
(7 × 10 ) (9 × 10 ) = 63 × 10 × 10
=
3.125 × 10
= 63 × 10
=
6.3 × 10
Simplify each problem and express the answer in scienti c notation.
21 × 10
1)
2)
(12 × 10 ) (8 × 10 )
4 × 10
Answer :
Answer :
13 × 10
3)
(2 × 10 ) (5 × 10 )
4)
8 × 10
Answer :
Answer :
9 × 10
6)
(6 × 10 ) (3 × 10 )
5)
4 × 10
Answer :
Answer :
27 × 10
7)
(4 × 10) (13 × 10 )
8)
10 × 10
Answer :
Answer :
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