Prefixes, Scientific notations, and general conversions

Scientific notation

100

0.000045 m = 45 x .............. m

45 x 10^-6 m

200

36000000 m = 3.6 x ......... m

3.6 x 10^7  m

300

6.3 x 10^3 m = ...... (write the whole number)

6300 m

400

3 / billion    =  3 x ..... 

3 x 10^-9

500

0.00000000000081 s =  81 x ...... s

81 x 10^-14 s

Prefixes

100

1/10 m = ...

1 dm

200

Express 1 ps in Scientific notation (p=pico)

1 x 10^-12 s

300

Express 3 x 10^-6 s in prefix

3 µ s    (3 micro seconds)

400

How do you name the prefix 'm' ?

 'm' stands for 'milli'

500

Express 9 GW in Scientifi notation

9 x 10^9 W

General Conversions

100

6 mm² = ...... cm²

0.6 cm²

200

8 m³ = ...... cm³

8000000 cm³  (or 8 x 10^6  cm³)

300

0.3 l  (3 liters) = ....... m³

0.0003 m³  (or 3 x 10^-4  m³)

400

Express 6 ns in Scientific notation (n=nano)

6 x 10^-9 s

500

720 MW =7.2 x ............ W (Express in Scientific notation)

7.2 x 10^8 W