I can calculate using scientific notation using the EE key on the calculator

Positive Scientific Notation

100

Write the number in standard notation

5.3 x 10^3

5,300

200

Write the number in standard notation

1.2 x 10^7

12,000,000

300

Write the number in standard notation

3.18 x 10^9

3,180,000,000

400

Write the number in standard notation

9.09 x 10^11

909,000,000,000

500

Write the number in standard notation

1.96 x 10^13

19,600,000,000,000

Negative Scientific Notation

100

Write the number in standard notation

1.2 x 10^-4

.00012

200

Write the number in standard notation

8.9 x 10^-6

.0000089

300

Write the number in standard notation

7.76 x 10^-8

.0000000776

400

Write the number in standard notation

4.20 x 10^-11

.0000000000420

500

Write the number in standard notation

1.01 x 10^-11

.0000000000101

Standard to Scientific

100

Convert to scientific notation

100,000

1 x 10^5

200

Convert to scientific notation

2,200,000

2.2 x 10^6

300

Convert to scientific notation

36,000,000

3.6 x 10^7

400

Convert to scientific notation

.000000069

6.9 x 10^-8

500

Convert to scientific notation

.0000000000000099

9.9 x 10^-15

Calculation

100

(4.86x10^9) + (7.2x10^3)

4,860,007,200

200

(9.73x10^5) - (5.1x10^3)

967,900

300

(1.3x10^12) x (6x10^6)

*can be kept in scientific notation*

7.8x10^18

400

(2.95x10^10) / (4.3x10^4)

686046.51

500

(8.1x10^9) x (6.4x10^3) / (3.6x10^5)

144,000,000