2)
a) the number is: 0.000000045 so in scientific notation will be:

b) the number is 246:

c) the number is 0.000234

d) the number is 698.4

e) the number is 0.469

f) the number is 0.00000000000000000002 so:

3)
a) The number is 1.53x10^-3

b) the number is 8.54x10^4 so:

c) the number is 6.04x10^6 so:

d) the number is 4.234x10^-5 so:

e) the number is 4.0x10^2

f) the number is 3.4567x^6
