Thu21October0907PM 3

Measured SI units that are very small are conveniently expressed with mathematical prefixes.

Which one of the following volumes is one femtolitre?

(Please select 1 option)

0.000, 000, 000, 000, 000, 001 L

0.000, 000, 000, 001 L

0.000, 001 L Incorrect answer selected

0.000, 0000,01 L

0.000, 000, 000, 000, 001 L This is the correct answer

Explanation

The following SI mathematical prefixes are used to denote small measured units:

0.1 (10-1) - deci (d)

0.001 (10-3) - milli (m)

0.000001 (10-6) - micro (µ)

0.000000001 (10-9) - nano (n)

0.000000000001 (10-12) - pico (p)

0.000000000000001 (10-15) - femto (f)

0.000000000000000001 (10-18) - atto (a)

Red blood cell volume is measured in femtolitres.

Answer Statistics

1

10%

2

30%

3

7%

4

10%

5

44%

Times answered: 250