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Exponents
(Answer ID # 0709954)
Simplify and write the answer in scientific notation.

1.   (3 x 10-6)  -  (1.3 x 10-8)	2.   (9 x 104)  +  (3.5 x 105)	3.   (9 x 10-7)  +  (8 x 10-7)
4.   (8.5 x 106)(5 x 107)	5.   (7 x 105)  -  (9.4 x 105)	6.   (2.5 x 10-6)(6 x 10-6)(5 x 10-7)
7.   (1.3 x 107)(7.1 x 10-6)	8.   (7 x 106)(2.9 x 10-5)	9.   (7.5 x 10-7)  -  (5 x 10-8)
10.   (9 x 104)(8 x 107)	11.   (5.2 x 106)(3.6 x 10-4)	12.   (5 x 10-4)  +  (7.4 x 10-4)
13.   (3.5 x 106)  +  (9 x 105)	14.   (3 x 104)  -  (7 x 104)	15.   (4.7 x 104)(3.5 x 10-6)
16.   (6 x 10-7)  -  (4 x 10-9)	17.   (4 x 106)(4 x 107)(6.8 x 10-4)	18.   (9.9 x 10-7)  +  (3.6 x 10-5)
19.   (6 x 107)  -  (3.1 x 107)	20.   (2.9 x 10-6)  +  (7 x 10-6)	21.   (7.1 x 105)(6.3 x 107)

 

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