Simplifying Expressions In Scientific Notation Worksheet With Answer Key Page 2
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Answer key
Simplify and express in scienti c notation:
Example 1
Example 2
(6 × 10 ) + (5 × 10 )
(3 × 10 ) – (2 × 10 )
= (6 × 10 ) + (5 × 10 ) × 10
= (3 × 10 ) × 10 – (2 × 10 )
= (6 × 10 ) + (5000 × 10 )
= (3000 × 10 ) – (2 × 10 )
= 5006 × 10
= 2998 × 10
=
5.006 × 10
=
2.998 × 10
Simplify each problem and express the answer in scienti c notation.
1) (3 × 10 )
(6 × 10 )
2) (8 × 10 )
(5 × 10 )
–
+
Answer :
2.994 × 10
Answer :
8.0005 × 10
3) (7 × 10 )
(4 × 10 )
4) (9 × 10 )
(6 × 10 )
+
–
Answer :
7.004 × 10
Answer :
8.94 × 10
5) (5 × 10 )
(8 × 10 )
6) (6 × 10 )
(7 × 10 )
–
+
Answer :
4.992 × 10
Answer :
7.006 × 10
7) (3 × 10 )
(5 × 10 )
8) (2 × 10 )
(4 × 10 )
+
–
Answer :
5.0003 × 10
Answer :
1.996 × 10
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