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
(2.5 × 10 ) + (8.13 × 10 )
(1.04 × 10 ) – (5.9 × 10 )
= (2.5 × 10 ) + (8.13 × 10 ) × 10
= (1.04 × 10 ) × 10 – (5.9 × 10 )
= (2.5 × 10 ) + (813 × 10 )
= (1040 × 10 ) – (5.9× 10 )
= 815.5 × 10
= 1034.1 × 10
=
8.155 × 10
=
1.0341 × 10
Simplify each problem and express the answer in scienti c notation.
1) (9.63 × 10 )
(4 × 10 )
2) (6.24 × 10 )
(7.1 × 10 )
+
+
Answer :
9.6304 × 10
Answer :
6.95 × 10
3) (2.19 × 10 )
(1.8 × 10 )
4) (3.62 × 10 )
(7.8 × 10 )
–
+
Answer :
2.01 × 10
Answer :
3.6278 × 10
5) (4 × 10 )
(6.17 × 10 )
6) (9.67 × 10 )
(5.1 × 10 )
+
–
Answer :
6.1704 × 10
Answer :
9.6649 × 10
7) (8.28 × 10 )
(4.1 × 10 )
8) (2.6 × 10 )
(3.48 × 10 )
–
+
Answer :
8.239 × 10
Answer :
3.4826 × 10
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