Scientific Notation Review

Adding

100

(1.1*10^2)+(1.4*10^2)

2.5*10^2

200

(5.24*10^6)+(9.78*10^6)

1.502*10^7

300

(6.34*10^5)+(2.56*10^3)

6.3656*10^5

Subtracting

100

(2.5*10^4)-(1.2*10^4)

1.3*10^4

200

(7.43*10^5)-(4.23*10^5)

3.2*10^5

Multiplying

100

(2*10^3)*(4*10^2)

8*10^5

Dividing

100

(9*10^5)/(3*10^2)

3*10^3

Notation

100

Write this number in scientific notation:

7,500,000

7.5*10^6