Scientific Notation Page 2
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1
210
Answer Key:
14
12
12
14
1)
1.34 x 10
+ 1.3 x 10
=
(134 + 1.3) x 10
= 1.353 x 10
-17
-18
-18
-16
2)
9.7821 x 10
+ 3.14 x 10
= (97.821 + 3.14) x 10
=
1.00961 x 10
3
2
2
3
3)
4.29754 x 10
+ 1.34 x 10
= (42.9754 + 1.34) x 10
= 4.43154 x 10
25
22
24
22
25
4)
7.523 x 10
- 6.32 x 10
+ 1.34 x 10
= (7523 - 6.32 + 134) x 10
= 7.65068 x 10
-67
-65
-67
-65
5)
6.5 x 10
-
3.1 x 10
= (6.5 - 310) x 10
= -3.035 x 10
11
13
11
13
6)
3.872 x 10
-
2.874 x 10
= (3.872 - 287.4) x 10
= 2.83528 x 10
-15
-17
-17
-15
7)
8.713 x 10
+ 8.713 x 10
= (871.3 + 8.713) x 10
= 8.80013 x 10
2
-1
-1
2
8)
1.245 x 10
- 5.1 x 10
= (1245.0 - 5.1) x 10
= 1.2399 x 10
137
135
136
135
9)
3.64567 x 10
- 4.305 x 10
+ 1.856 x 10
= (364.567 - 4.305 + 18.56) x 10
=
137
3.78822 x 10
4
2
-1
-1
10)
1.765 x 10
- 3.492 x 10
+ 3.159 x 10
= (17650.0 - 3492 + 3.159) x 10
=
4
1.4161159 x 10
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