Adding numbers in scientific notation
Subtracting numbers in scientific notation
multiplying numbers in scientific notation
Dividing numbers in scientific notation
Rational or Irrational
100

3.7 x 107 + 6.4 x 10 6

4.34 x 107

100

5 x 104 - 3 x 104

2 x 104

100

(5 x 103) x (3 x 103)

1.5 x 107

100

5 x 10/ 4 x 103

5/4 x 10

100

Is 9 a rational number?


Is 4/6 a rational number? 

9 is a rational number


4/6 is a rational number

200

7 x 10+ 3 x 106

7.3 x 107

200
3 x 104 - 5 x 103

2.5 x 104

200

(4 x 104) x (6 x 104)

2.4 x 109

200

6 x 10/ 3 x 104

2/1 x 103

200

Is 3.5 a rational number?


is 2/7 a rational number?

3.5 is not a rational number


2/7 is a rational number

300

12 x 104 + 8 x 105

8.12 x 105

300

2.5 x 103 - 5 x 102

2 x 103

300

(7 x 103) x (5 x 103)

3.5 x 107

300

3 x 104 / 9 x 102



1/3 x 102 or 3/9 x 102

300

is 10 a rational number?


is 96/100 a rational number?

10 is a rational number 


96/100 is a rational number

400

5 x 102 + 7 x 103

7.5 x 103

400

7.3 x 106 - 3.4 x 105

6.97 x 106

400

(2 x 104) x (5 x 103

1 x 109

400

9 x 103 / 7 x 10

9/7 x 10-1

400

Is 7.3 a rational number?



is 7/100 a rational number?

7.3 is not a rational number



7/100 is a rational number

500

56.4 x 108 + 456 x 106

6.096 x 108

500

4.023 x 104 - 3.7 x 102

3.986 x 104

500

(7 x 106) x (9 x 105)  

6.3 x 1012

500

6 x 10-8 / 30 x 10

1/5 x 10-15 or 6/30 x 10-15

500

is 10/0 a rational number?


0.1238142313 a rational number?

no it is not


not it is not

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