4 usd in cad July 8, 2019 16 32 64 128 4 dollars usd in cad 4 5 usd in cad 4 usd into cad 4 99 usd in cad 4 million usd in cad 4 billion usd in cad 4 50 usd in cad 4 usd to cad dollar 4 usd to cad exchange rate