2. Numbers
In th is w o r ld , th e r e a r e tw o k in d s o f n u m b e r s :
3. Numbers
In th is w o r ld , th e r e a r e tw o k in d s o f n u m b e r s :
E xact
T h e r e a r e e x a c tly 1 2 e g g s in a d o z e n .
4. Numbers
In th is w o r ld , th e r e a r e tw o k in d s o f n u m b e r s :
E xact
T h e r e a r e e x a c tly 1 2 e g g s in a d o z e n .
In e x a c t
A n y m e a s u r e m e n t.
5. Example
If I q u ic k ly m e a s u r e th e w id th o f a p ie c e o f n o te b o o k
p a p e r , I m ig h t g e t 2 2 0 m m . (2 s ig fig s )