Scientific Notation
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Scienti c Notation
Simplify and express in scienti c notation:
Example 1
Example 2
(4 × 10 ) – (2 × 10 )
(9 × 10 ) + (6 × 10 )
= (4 × 10 ) × 10 – (2 × 10 )
= (9 × 10 ) + (6 × 10 ) × 10
= (40 × 10 ) – (2 × 10 )
= (9 × 10 ) + (600 × 10 )
= 38 × 10
= 609 × 10
=
3.8 × 10
=
6.09 × 10
Simplify each problem and express the answer in scienti c notation.
1) (6 × 10 )
(3 × 10 )
2) (5 × 10 )
(10 × 10 )
–
+
Answer :
Answer :
3) (7 × 10 )
(4 × 10 )
4) (3 × 10 )
(2 × 10 )
+
–
Answer :
Answer :
5) (5 × 10 )
(8 × 10 )
6) (8 × 10 )
(9 × 10 )
–
+
Answer :
Answer :
7) (2 × 10 )
(7 × 10 )
8) (4 × 10 )
(3 × 10 )
+
–
Answer :
Answer :
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