Like the Romans Did It
XL=
What is 40?
What is the place value of the italicized number?
687,123,005
What is 100 Billion?
CCL =
What is 250?
Write the number 6 billion and seven.
What is 6,000,000,007?
510 =
What is DX?
333 =
CCCXXXIII?
980 =
What is CMLXXX?