The answer depends on 4500 WHAT!
Chat with our AI personalities
If by 'pennies' you mean 1 cent pieces - the answer is 450,000 !
4500 milligrammes = 4.5 grammes
10 pennies...
1150 pennies
4500 millilitres... 4500 millilitres there are 1000Mls. in 1 Litre