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Adding in Scientific Notation
By Katherine Kintz
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Last updated almost 6 years ago
10 questions
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Adding in Scientific Notation
Add each expression to match it with its simplified answer in scientific notation.
Question 1
1.
(7 x 10
3
) + (4 x 10
3
)
1.1 x 10
4
11 x 10
3
1.1 x 10
3
11 x 10
6
Question 2
2.
(1.25 x 10
5
) + (7 x 10
5
)
5.75 x 10
5
8.25 x 10
5
8.25 x 10
10
1 x 10
7
Question 3
3.
(9 x 10
4
) + (8 x 10
4
)
17 x 10
4
1.7 x 10
5
8.09 x 10
4
8.09 x 10
6
Question 4
4.
(5 x 10
5
) + (7 x 10
5
)
1.2 x 10
6
2.007 x 10
5
7.002 x 10
5
1.2 x 10
6
Question 5
5.
(9 x 10
-1
) + (7 x 10
-1
)
16 x 10
-2
17 x 10
-1
1.6 x 10
-1
1.6 x 10
0
Question 6
6.
(5 x 10
-3
) + (3 x 10
-3
)
2 x 10
-1
2 x 10
-3
8 x 10
-3
8 x 10
-6
Question 7
7.
(6 x 10
-2
) + (8 x 10
-2
)
14 x 10
-2
1.4 x 10
-1
14 x 10
-1
1.4 x 10^-4
Question 8
8.
(4 x 10
0
) + (1 x 10
0
)
3 x 10
0
4.1 x 10^0
5 x 10^0
4.1 x 10^1
Question 9
9.
(8 x 10
3
) + (8 x 10
3
)
16 x 10
3
8.008 x 10^4
1.6 x 10
4
1.6 x 10^6
Question 10
10.
(9 x 10
-4
) + (5 x 10
-4
)
1.4 x 10
-3
9.05 x 10
-4
14 x 10
-8
14 x 10
-4