Rational # Addition/Subtraction & Scientific Notation

Add

100

#1    (-14)+(-22)

-36

200

#2    6/3+5/9

2 5/9

300

#3    9/7 + 5/6

2 5/42

400

#4    (-7/4)+(+2/5)

-1 7/20

500

#5   (-7.3)+(-7.9)+(+6.2)

-9

Subtract

100

#6   3.8-5.7

-1.9

200

#7   (-5)-(+12)-(+18)

-35

300

#8  (-7.2)-(+1.6)

-8.8

400

#9   (-7/6)-(+5/2)

-3 2/3

500

#10   (+3.3)-(-6.4)-(-3.8)

13.5

Mixed

100

#11   (+21)+(-17)-(+15)

-11

200

#12    (-15)-(+40)+(-25)

-80

300

#13   (-37)+(-5)-(-26)

-16

400

#14   (-7.2)+(-6.9)-(+1.3)

-15.4

500

#15    (-5/3)+(-8/2)-(-4/3)

-4 1/3

Scientific Notation >1

100

#16   Write in scientific notation:  62,503

6.2503 xx10^4

200

#17   Write in scientific notation:  

13.05 xx 10^4

1.305 xx 10^5

300

#18   Write in scientific notation: 

0.936 xx 10^3

9.36 xx 10^2

400

#19   Write in scientific notation: 

304,090 xx 10^13

3.0409 xx10^18

500

#20   Write in scientific notation:

980 xx 10^-1

9.8 xx 10^1

Scientific Notation <1

100

#21   Write in scientific notation: 

0.00963

9.63 xx10^-3

200

#22   Write in scientific notation:

91.05 xx 10^-3

9.105 xx 10^-2

300

#23   Write in scientific notation:

0.0578 xx 10^-6

5.78 xx 10^-8

400

#24   Write in scientific notation: 

421.6 xx 10^-3

4.216 xx 10^-1

500

#25   Write in scientific notation:

0.000735 xx 10^-6

7.35 xx 10^-10