Problems
Problem 2.1:
Is 70,724 divisible by 2? By 4? By 8?
[Solution]
Problem 2.2:
Is 82,791 divisible by 3? By 6? By 9?
[Solution]
Problem 2.3:
Is 70,200 divisible by 5? By 10?
[Solution]
Problem 2.4:
Think of a number that is divisible by 5 but not by 10.
[Solution]
Problem 2.5:
Is it possible to make a number that is divisible by 3 out of the
digits 8, 1, 4, 7, 0, and 1? Is it possible to make a number that is
divisible by 3 out of the digits 7, 4, 0, and 9?
[Solution]
Problem 2.6:
a) Make a number that is divisible by 2 out of the digits 6, 2, and
7.
b) Make a number that is divisible by 4 out of the digits 6, 2, and 7.
[Solution]
