Scientific Notation Problems Worksheet With Answer Key Page 2
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Answer key
Simplify and express in scienti c notation:
Example 1
Example 2
(3 × 10 ) + (7 × 10 )
(5 × 10 ) – (2 × 10 )
= (3 × 10 ) × 10 + (7 × 10 )
= (5 × 10 ) × 10 – (2 × 10 )
= (300 × 10 ) + (7 × 10 )
= (5000 × 10 ) – (2 × 10 )
= 307 × 10
= 4998 × 10
=
3.07 × 10
=
4.998 × 10
Simplify each problem and express the answer in scienti c notation.
1) (4 × 10 )
(2 × 10 )
2) (9 × 10 )
(7 × 10)
–
+
Answer :
3.998 × 10
Answer :
9.007 × 10
3) (6 × 10 )
(3 × 10 )
4) (5 × 10 )
(8 × 10 )
–
–
Answer :
5.9997 × 10
Answer :
4.992 × 10
5) (4 × 10 )
(7 × 10 )
6) (2 × 10 )
(8 × 10 )
+
–
Answer :
7.004 × 10
Answer :
1.992 × 10
7) (5 × 10 )
(3 × 10 )
8) (9 × 10 )
(6 × 10 )
–
+
Answer :
4.97 × 10
Answer :
6.009 × 10
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