Scientific Notation

Page 1

The Scientific Notation

Abbreviation

Short way to write numbers that are really big or really small.

Mainly used in science.

Simpler and easier to use.

MOVE LEFT, EXPONENT GPES UP, MOVE RIGHT EXPONENT GOES DOWN.

25,300,00,00,00 miles = 2.53 X 10 X 13

0.0000000203 seconds = 2.03 x 10 x -8

0.00000000203

3749000000

0.000052

813000000000000

0.004= 400000 4 x 10 x -3

0.0000000000000123= 0.000000123 1.23 x 10 x -16

452000000000000= 4520000 4.52 x 10 x 14

698.25400000= 6.98254 x 10 x 2

328 x 10 x 8= 328000000

8.45 x 10 x - 3 = 0.00845

8.45 X 10 X 5= 84500

1.2 = 0.000000012

10+ ---------- add

10-__________ substract

Page 2

Exercice in class

1.54 x 10 x 8= 154000000

-5.1 x 10 x 6= -5130000

-.00942 9.49 x 10 x -2

698000= .98 x 10 x 5

-0.763= 7.63 x 10 x -2

9110 = 9.11 x 10 x 3

-4.66 x 10 x 4 = 46600

9.01 x 10 x 3= 9010

-9.9 x 10 x -3 0.0099

-0.98 = -5.98 x 10 x -1