1. a. It is a six-digit decimal number.
b. Its one digit is 25% of its thousandths digit.
c. Its ten-thousandths digit is 25% of its hundred-thousandths digit.
d. Its one digit and its ten-thousandths digit are the same.
e. Its tenths digit is 1 less than its thousandths digit.
f. Its ones digit is the product of its hundredths digit and its ten-thousandths digit.
g. The sum of three of its digits is 10.